Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income (loss)	$ 50,593us-gaap_NetIncomeLoss	$ (18,266)us-gaap_NetIncomeLoss	$ 73,136us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	47,119	32,523	28,630
Stock-based compensation	20,545	22,638	30,363
Deferred income taxes	(1,457)us-gaap_DeferredIncomeTaxExpenseBenefit	(3,637)us-gaap_DeferredIncomeTaxExpenseBenefit	(110)us-gaap_DeferredIncomeTaxExpenseBenefit
Asset impairments	3,697us-gaap_AssetImpairmentCharges	8,022us-gaap_AssetImpairmentCharges
Other non-cash items	1,136us-gaap_OtherNoncashIncomeExpense	2,729us-gaap_OtherNoncashIncomeExpense	3,954us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(22,337)	899	10,635
Inventories	(11,942)us-gaap_IncreaseDecreaseInInventories	6,660us-gaap_IncreaseDecreaseInInventories	(436)us-gaap_IncreaseDecreaseInInventories
Other assets	3,924	(19,013)	(3,346)
Accounts payable	3,487	4,376	(3,555)
Accrued compensation	(4,480)	(1,511)	(873)
Accrued taxes, net	821	9,855	(37,314)
Other liabilities	(8,610)	11,516	(3,919)
Net cash provided by operating activities	82,496	56,791	97,165
Cash flows from investing activities:
Purchases of available-for-sale securities	(189,707)	(342,921)	(298,621)
Proceeds from sales and maturities of available-for-sale securities	173,403	510,816	308,947
Purchases of property and equipment	(26,118)	(27,550)	(46,765)
Acquisition of businesses		(157,352)
Net cash used in investing activities	(42,422)	(17,007)	(36,439)
Cash flows from financing activities:
Proceeds from issuance of common stock under stock-based awards	9,717	8,711	8,250
Minimum tax withholding paid on behalf of employees for restricted stock units	(4,690)	(4,739)	(5,635)
Purchases of treasury stock	(21,140)	(47,785)	(131,426)
Other financing activities	22	(245)	(899)
Net cash used in financing activities	(16,091)	(44,058)	(129,710)
Net increase (decrease) in cash and cash equivalents	23,983	(4,274)	(68,984)
Cash and cash equivalents at beginning of year	91,258	95,532	164,516
Cash and cash equivalents at end of year	115,241	91,258	95,532
Supplemental disclosure of cash flow information:
Cash paid during the year for income taxes, net of refunds received	$ 5,138us-gaap_IncomeTaxesPaidNet	$ 2,508us-gaap_IncomeTaxesPaidNet	$ 23,434us-gaap_IncomeTaxesPaidNet

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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