Balances of Other Intangible Assets Excluding Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 26, 2013	Apr. 28, 2012
Unamortized-indefinite lived:
Copyrights, trade names and trademarks	$ 76,464	$ 76,464
Amortized:
Distribution agreement, customer lists and other	236,409	231,739
Less: Accumulated amortization	(109,220)	(95,646)
Net amortized other intangible assets	127,189	136,093
Total identifiable intangible assets, net	$ 203,653	$ 212,557

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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