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Receivables (Detail) - USD ($)
$ in Thousands
Apr. 30, 2016
May 02, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Trade accounts $ 21,000 $ 17,457
Credit/debit card receivables 28,232 27,174
eBook settlement receivable (see Note 4) 53,809  
Other receivables 21,876 15,634
Total receivables, net $ 124,917 $ 60,265