Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Accounts receivable, net Accounts payable Accounts Payable, Current Estimated costs to complete future remediation efforts Accrual for Environmental Loss Contingencies, Net Accrued liabilities: Income taxes Accrued Income Taxes, Current Accumulated Other Comprehensive Earnings [Member] Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Additional paid-in capital Additional Paid-In Capital [Member] Adjustments to reconcile net earnings attributable to controlling interest: Tax benefits from non-qualified stock options exercised Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Expense associated with share-based compensation arrangements Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition All Other [Member] All Other Segments [Member] Amortization of intangibles Options to purchase shares excluded from computation of EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Antidilutive Securities [Axis] Approximate identification and removal of contaminants costs Asset Retirement Obligations, Noncurrent CURRENT ASSETS: ASSETS Assets [Abstract] TOTAL CURRENT ASSETS Assets, Current TOTAL ASSETS Assets Cash overdraft Billings in Excess of Cost and Earnings Business Acquisition [Axis] Net Tangible Assets Business Acquisition, Entity Acquired and Reason for Acquisition [Abstract] Percentage of voting majority (in hundredths) Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Acquiree [Domain] Business Description Acquisition Date Company Name BUSINESS COMBINATIONS [Abstract] Intangible Assets Purchase Price Business Acquisition [Line Items] BUSINESS COMBINATIONS Acquired entity, prior year sales Capital Addition Purchase Commitments [Member] CASH (CASH OVERDRAFT), END OF PERIOD CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR Cash Equivalents, at Carrying Value Cash and cash equivalents NET CHANGE IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) COMMITMENTS, CONTINGENCIES, AND GUARANTEES Commitments and Contingencies Disclosure [Text Block] COMMITMENTS, CONTINGENCIES, AND GUARANTEES [Abstract] Common Stock [Member] Common stock, no par value (in dollars per share) Common stock, shares outstanding (in shares) Common stock, no par value; shares authorized 40,000,000; issued and outstanding, 20,048,764, 19,948,270, and 19,868,615. Common Stock, Value, Issued Common stock, shares issued (in shares) Common stock, shares authorized (in shares) COMPREHENSIVE INCOME ATTRIBUTABLE TO CONTROLLING INTERST Comprehensive Income (Loss), Net of Tax, Attributable to Parent LESS COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Corporate [Member] COST OF GOODS SOLD Cost and Earnings in Excess of Billings Deferred income taxes (credit) Deferred Income Taxes and Tax Credits Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current DEFERRED INCOME TAXES Deferred Tax Assets, Net of Valuation Allowance, Noncurrent DEFERRED INCOME TAXES Depreciation Diluted (in dollars per share) EARNINGS PER SHARE - DILUTED (in dollars per share) Basic (in dollars per share) EARNINGS PER SHARE - BASIC (in dollars per share) EARNINGS PER SHARE Earnings Per Share [Text Block] EARNINGS PER SHARE [Abstract] Effect of exchange rate changes on cash Effective income tax rate (in hundredths) Effective Income Tax Rate, Continuing Operations Compensation and benefits Equity Component [Domain] Measurement Frequency [Axis] Fair Value, Hierarchy [Axis] Recurring [Member] Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table] Assets and Liabilities Measured at Fair Value Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] FAIR VALUE [Abstract] FAIR VALUE Fair Value Disclosures [Text Block] Quoted Prices in Active Markets (Level 1) [Member] OTHER INTANGIBLE ASSETS, NET NET GAIN ON DISPOSITION OF ASSETS Gain (Loss) on Disposition of Assets Net gain on sale of property, plant and equipment Gain (Loss) on Sale of Property Plant Equipment GOODWILL GROSS PROFIT Gross Profit CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Unaudited) [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] INCOME TAXES [Abstract] EARNINGS BEFORE INCOME TAXES EQUITY IN EARNINGS (LOSS) OF INVESTEE Equity in earnings of investee Income (Loss) from Equity Method Investments INCOME TAXES Recognized tax benefit for research and development Income taxes paid (refunded) Income Taxes Paid, Net Refundable income taxes Accounts payable Accrued liabilities and other Accounts receivable Increase (Decrease) in Accounts Receivable Changes in: Inventories Increase (Decrease) in Inventories Increase (Decrease) in Stockholders' Equity [Roll Forward] Effect of dilutive stock options (in shares) INDEFINITE-LIVED INTANGIBLE ASSETS INTEREST EXPENSE Interest paid Inventories: Finished goods Total inventories Inventory, Net Raw materials INTEREST INCOME Investment Income, Interest Investments Outstanding letters of credit Letters of Credit Outstanding, Amount TOTAL CURRENT LIABILITIES Liabilities, Current CURRENT LIABILITIES: TOTAL LIABILITIES Liabilities LIABILITIES AND SHAREHOLDERS' EQUITY TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Line Items] Category of Item Purchased [Axis] LONG-TERM DEBT, less current portion Long-term Purchase Commitment, Category of Item Purchased [Domain] Outstanding purchase commitments on capital projects Long-term Purchase Commitment, Amount Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Noncontrolling interest Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Capital contribution from noncontrolling interest Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest Money Market Funds [Member] CASH FLOWS FROM FINANCING ACTIVITIES: Net earnings for calculating EPS Net Income (Loss) Available to Common Stockholders, Basic NET CASH FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities NET CASH FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities CASH FLOWS FROM INVESTING ACTIVITIES: CASH FLOWS FROM OPERATING ACTIVITIES: Net earnings attributable to controlling interest NET EARNINGS ATTRIBUTABLE TO CONTROLLING INTEREST Net Income (Loss) Attributable to Parent NET CASH FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities LESS NET EARNINGS ATTRIBUTABLE TO NONCONTROLLING INTEREST Net Income (Loss) Attributable to Noncontrolling Interest NON-OPERATING (INCOME)/EXPENSE Nonoperating Income (Expense) Number of reporting segments Number of Reportable Segments Noncontrolling interest associated with business acquisitions Noncontrolling Interest, Increase from Business Combination Noncontrolling Interest [Member] Segment earnings from operations EARNINGS FROM OPERATIONS BASIS OF PRESENTATION [Abstract] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other current assets OTHER ASSETS Foreign currency translation adjustment FOREIGN CURRENCY TRANSLATION ADJUSTMENT OTHER LIABILITIES Other Other, net Payments for (Proceeds from) Other Investing Activities Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Advances on notes receivable Payments to Acquire Notes Receivable Acquisitions, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Distributions to noncontrolling interest Payments to Noncontrolling Interests Preferred stock, no par value; shares authorized 1,000,000; issued and outstanding, none Preferred stock, shares authorized (in shares) Preferred stock, no par value (in dollars per share) Preferred stock, shares issued (in shares) Preferred stock, shares outstanding (in shares) Collections on notes receivable Other, net Borrowings under revolving credit facilities Proceeds from issuance of common stock Proceeds from sale of property, plant and equipment Completed projects still under warranty Product Warranty Accrual, Current Net earnings NET EARNINGS PROPERTY, PLANT AND EQUIPMENT: PROPERTY, PLANT AND EQUIPMENT, NET Property, Plant and Equipment, Net Property, plant and equipment Employee stock notes receivable Receivable from Shareholders or Affiliates for Issuance of Capital Stock Employee Stock Notes Receivable [Member] Repayments under revolving credit facilities Repayments of Lines of Credit Restricted cash Retained earnings Retained Earnings [Member] REVENUE RECOGNITION [Abstract] Revenue Recognition Revenue Recognition, Percentage-of-Completion Method [Policy Text Block] Intersegment net sales Net sales to outside customers NET SALES Revenue, Net Business Acquisitions Accounted for Using Purchase Method Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Computation of earnings per share Business Acquisitions [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Segment Reporting Information [Line Items] SEGMENT REPORTING [Abstract] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Segment [Domain] SELLING, GENERAL AND ADMINISTRATIVE EXPENSES Expense associated with share-based compensation arrangements Issuance of shares under stock grant programs (in shares) Statement [Table] Statement [Line Items] CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) [Abstract] CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] Business Segments [Axis] Statement, Equity Components [Axis] CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) [Abstract] Stock Options [Member] Issuance of shares under stock grant programs Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of shares under deferred compensation plans (in shares) Common stock issued under deferred compensation plans Issuance of shares under deferred compensation plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of shares under employee stock plans Stock Issued During Period, Value, Employee Stock Ownership Plan Issuance of shares under employee stock plans (in shares) SHAREHOLDERS' EQUITY: Balance Balance TOTAL SHAREHOLDERS' EQUITY Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Controlling interest shareholders' equity: Total controlling interest shareholders' equity Stockholders' Equity Attributable to Parent SUPPLEMENTAL INFORMATION: Supplemental Cash Flow Information [Abstract] Weighted average shares outstanding (in shares) Shares for calculating basic EPS (in shares) Weighted Average Number of Shares Outstanding, Basic Shares for calculating diluted EPS (in shares) Weighted Average Number of Shares Outstanding, Diluted The entire disclosure regarding revenue recognition for percentage-of-completion. REVENUE RECOGNITION [Text Block] REVENUE RECOGNITION Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity. Site Built [Member] Site-Built [Member] Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity. Eastern and Western [Member] Eastern and Western [Member] Net earnings per share: [Abstract] Net earnings per share [Abstract] Denominator: [Abstract] Denominator [Abstract] Number of shares of non-vested restricted shares determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period in included computation of earnings per share. Adjustment for non-vested restricted common stock Adjustment for non-vested restricted common stock (in shares) Numerator: [Abstract] Numerator [Abstract] The amount of non-vested restricted shares determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period in included computation of earnings per share. Adjustment for earnings allocated to non-vested restricted common stock Adjustment for earnings allocated to non-vested restricted common stock Deferred income tax asset reversal for deferred compensation plans. Adjustments To Additional Paid In Capital Deferred Compensation Accrued expense under deferred compensation plans Payments received on amounts due from owners or affiliates of the reporting entity related to issuance of the entity's capital stock before cash payment is received (does not include amounts due from officers or directors). This element would also include the receivable for proceeds from the issuance of shares under employee stock option exercises which proceeds have not been received as of the reporting date due to the timing of the transaction date versus the settlement date. Proceeds From Collection Of Receivable From Shareholders Or Affiliates For Issuance Of Capital Stock Payments received on employee stock notes receivable Tabular disclosure of percentage-of-completion balance sheet components. Schedule of percentage-of-completion balances [Table Text Block] Balances of percentage-of-completion accounts which are included in Other current assets and Accrued liabilities Other Fund is a professionally-managed collective investment that pools money from many investors to purchase securities. Mutual funds [Member] Mutual Funds [Member] Domestic stock funds are investment vehicles that invest in stocks of U.S.-based companies. Domestic stock funds [Member] Domestic Stock Funds [Member] Fund is a collective investment vehicle that invests in bonds and other debt securities. Bond funds [Member] Bond Funds [Member] A mutual fund containing bonds that mature in a single year, giving the entire fund a terminal maturity in that year. Target funds [Member] Target Funds [Member] International stock funds are investment vehicles that invest in stocks of companies domiciled outside of the domestic country. International stock funds [Member] International Stock Funds [Member] Import duties assessed by government authorities for prior foreign product imports into the United States. Anti Dumping Duty Assessment ANTI-DUMPING DUTY ASSESSMENT Surety Bonds and Letters of Credit [Abstract] Amount of outstanding payment and performance bonds outstanding as of the report date. Payment and performance bonds outstanding Payment and performance bonds outstanding Irrevocable letters of credit outstanding in favor of industrial development revenue bonds to guarantee performance of insurance contracts as of the report date. Irrevocable letters of credit in favor of our industrial development revenue bonds outstanding Irrevocable letters of credit in favor of our industrial development revenue bonds outstanding Expiration period of surety bonds. Expiration period of surety bonds Expiration period of surety bonds Irrevocable letters of credit outstanding in favor of insurers to guarantee performance of insurance contracts as of the report date. Irrevocable letters of credit in favor of our insurers outstanding Irrevocable letters of credit in favor of our insurers outstanding The aggregate amount of noncash, equity-based employee remuneration relating to stock grant plans. Expense associated with stock grant plans Expense associated with stock grant plans Non Cash Financing Activities [Abstract] NON-CASH FINANCING ACTIVITIES: This element represents cash restricted as to use. Cash restricted as to use Cash restricted as to use Non Cash Investing Activities [Abstract] NON-CASH INVESTING ACTIVITIES The increase during the period in other receivable due to exchanged of other receivable for notes receivable. Other receivables exchanged for notes receivable Other receivables exchanged for notes receivable This line item represents the minimum term to complete construction contracts. Construction contracts completion term Minimum Construction contracts completion term, minimum This line item represents the maximum term to complete construction contracts. Construction contracts completion term Maximum Construction contracts completion term, maximum The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. SE Panel and Lumber Supply, LLC [Member] The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. Upshur Forest Products, LLC [Member] Upshur Forest Products, LLC [Member] The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. Container Systems, Inc [Member] Container Systems, Inc. [Member] Percentage of asset acquired in the business combination. Business Acquisition, Percentage of Asset Purchase Percentage of asset purchase (in hundredths) Element represents the operating segment of entity. Business combination operating segment Operating Segment The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. Custom Caseworks, Inc. [Member] The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. Millry Mill Company, Inc. [Member] The entity that is being acquired in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree. Premier Laminating Services, Inc. [Member] Document and Entity Information [Abstract]