v3.19.1
Document and Entity Information
3 Months Ended
Mar. 30, 2019
shares
Document and Entity Information [Abstract]  
Entity Registrant Name UNIVERSAL FOREST PRODUCTS INC
Entity Central Index Key 0000912767
Current Fiscal Year End Date --12-28
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding (in shares) 61,352,372
Entity Current Reporting Status Yes
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q1
Document Type 10-Q
Amendment Flag false
Document Period End Date Mar. 30, 2019
Entity Small Business false
Entity Emerging Growth Company false