Schedule: Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
May. 02, 2015	May. 03, 2014	Apr. 27, 2013
Allowance for Doubtful Accounts
Balance at beginning of period	$ 8,841	$ 6,088	$ 5,941
Addition charged (recovery) to costs and expenses	1,402	3,337	516
Write-offs/ Deductions	(4,165)	(584)	(369)
Balance at end of period	6,078	8,841	6,088
Sales Returns Reserves
Balance at beginning of period	6,533	8,811	19,788
Addition charged (recovery) to costs and expenses	24,484	38,001	26,495
Write-offs/ Deductions	(26,394)	(40,279)	(37,472)
Balance at end of period	$ 4,623	$ 6,533	$ 8,811

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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