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Balances of Other Intangible Assets Excluding Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 28, 2012
Apr. 30, 2011
Goodwill And Other Intangible Assets [Line Items]    
Copyrights, trade names and trademarks $ 76,464 $ 76,422
Distribution agreement, customer lists and other 231,739 229,649
Less: Accumulated amortization (95,646) (78,855)
Net amortized intangible assets 136,093 150,794
Total identifiable intangible assets, net $ 212,557 $ 227,216