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Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Payables And Accruals [Abstract]    
Accrued salary, bonus, and related benefits $ 26,598 $ 29,438
Accrued marketing costs 19,251 11,941
Accrued charitable foundation payments 4,252 6,757
Accrued treasury share purchases 8,292   
Other 23,447 15,100
Total accrued expenses and other current liabilities $ 81,840 $ 63,236