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Investments - Additional Information (Detail) - USD ($)
shares in Millions, $ in Millions
6 Months Ended 12 Months Ended
Jun. 28, 2014
Dec. 28, 2013
Investment [Line Items]    
Proceeds from sale of available for sale securities $ 43  
Boise Cascade Holdings, LLC    
Investment [Line Items]    
Cost method investment ownership percentage   20.00%
Boise Cascade Company    
Investment [Line Items]    
Indirect ownership interest   4.00%
Distribution received, shares 1.6  
Proceeds from sale of available for sale securities $ 43