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Carrying Value of Distributor Notes (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 06, 2012
Dec. 31, 2011
Fair Value Of Financial Instruments [Abstract]    
Distributor notes receivable $ 115,719 $ 117,058
Current portion of distributor notes receivable recorded in accounts and notes receivable, net 14,773 14,736
Long-term portion of distributor notes receivable $ 100,946 $ 102,322