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Segment Reporting - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 06, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]    
Assets $ 1,950,317 $ 1,553,998
DSD
   
Segment Reporting Information [Line Items]    
Assets $ 1,626,000 $ 1,227,900