v3.3.0.814
Segment and Product Information - Segment Reporting Information by Product Category (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales $ 461,521 $ 426,543 $ 832,507 $ 772,452
Lumber And Lumber Sheet Goods        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales 152,991 155,659 275,418 280,286
Windows, Doors And Millwork        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales 145,073 127,998 266,670 235,495
Manufactured Products        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales 103,512 91,694 183,317 162,447
Gypsum Roofing And Insulation        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales 13,218 12,396 23,773 22,328
Siding, Metal And Concrete Products        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales 12,338 10,491 22,138 19,188
Other Building Products And Services        
Entity Wide Information Revenue From External Customer [Line Items]        
Net Sales $ 34,389 $ 28,305 $ 61,191 $ 52,708