Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 01, 2012	Apr. 03, 2011	Mar. 28, 2010
Allowance for doubtful accounts [Member]
Valuation And Qualifying Accounts
Balance at Beginning of Year	$ 1,536	$ 1,505	$ 1,366
Additions: Charged to Costs and Expenses or Revenues	79	54	366
Deductions: Amounts Written Off, Net of Recoveries	169	23	227
Balance at End of Year	1,446	1,536	1,505
Sales returns and allowances [Member]
Valuation And Qualifying Accounts
Balance at Beginning of Year	7,856	8,276	8,848
Additions: Charged to Costs and Expenses or Revenues	35,170	29,208	29,311
Deductions: Amounts Written Off, Net of Recoveries	38,165	29,628	29,883
Balance at End of Year	$ 4,861	$ 7,856	$ 8,276