CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Income Statement [Abstract]
Net revenues	$ 910,373us-gaap_SalesRevenueGoodsNet	$ 938,509us-gaap_SalesRevenueGoodsNet	$ 891,990us-gaap_SalesRevenueGoodsNet
Cost of goods sold	475,955us-gaap_CostOfGoodsSold	470,144us-gaap_CostOfGoodsSold	463,859us-gaap_CostOfGoodsSold
Gross profit	434,418us-gaap_GrossProfit	468,365us-gaap_GrossProfit	428,131us-gaap_GrossProfit
Operating expenses:
Research and development	54,187us-gaap_ResearchAndDevelopmentExpense	54,200us-gaap_ResearchAndDevelopmentExpense	44,394us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative	334,250	366,022	323,053
Asset write-down	5,441	1,711	4,247
Total operating expenses	393,878us-gaap_OperatingExpenses	421,933us-gaap_OperatingExpenses	371,694us-gaap_OperatingExpenses
Operating income	40,540us-gaap_OperatingIncomeLoss	46,432us-gaap_OperatingIncomeLoss	56,437us-gaap_OperatingIncomeLoss
Other (expense) income, net	(9,375)us-gaap_OtherNonoperatingIncomeExpense	(10,031)us-gaap_OtherNonoperatingIncomeExpense	(6,540)us-gaap_OtherNonoperatingIncomeExpense
Income before provision for income taxes	31,165	36,401	49,897
Provision for income taxes	14,268us-gaap_IncomeTaxExpenseBenefit	1,253us-gaap_IncomeTaxExpenseBenefit	11,097us-gaap_IncomeTaxExpenseBenefit
Net income	$ 16,897us-gaap_NetIncomeLoss	$ 35,148us-gaap_NetIncomeLoss	$ 38,800us-gaap_NetIncomeLoss
Net income per share - basic (in dollars per share)	$ 0.33us-gaap_EarningsPerShareBasic	$ 0.68us-gaap_EarningsPerShareBasic	$ 0.76us-gaap_EarningsPerShareBasic
Net income per share - diluted (in dollars per share)	$ 0.32us-gaap_EarningsPerShareDiluted	$ 0.67us-gaap_EarningsPerShareDiluted	$ 0.74us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding
Basic (in shares)	51,533	51,611	51,349
Diluted (in shares)	52,089	52,377	52,259

Total costs related to goods produced and sold during the reporting period.

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