Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Apr. 03, 2011
Allowance for doubtful accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 1,446	$ 1,536	$ 1,505
Additions: Charged to Costs and Expenses or Revenues	(182)	79	54
Deductions: Amounts Written Off, Net of Recoveries	68	169	23
Balance at End of Year	1,196	1,446	1,536
Sales returns and allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	4,861	7,856	8,276
Additions: Charged to Costs and Expenses or Revenues	31,653	35,170	29,208
Deductions: Amounts Written Off, Net of Recoveries	31,767	38,165	29,628
Balance at End of Year	$ 4,747	$ 4,861	$ 7,856