Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Cash flows from operating activities:
Net income (loss)	$ 13,688	$ (37,038)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	34,024	37,654
Amortization and other non-cash items	25,295	20,208
Deferred income taxes	1,591	4,141
Foreign currency adjustments	(1,221)	(1,153)
Loss on retirement of convertible subordinated notes	0	2,756
Loss on assets and other, net	2,836	4,379
(Income) loss from equity investment	(228)	140
Share-based compensation expense	24,750	24,124
Changes in operating assets and liabilities:
Accounts receivable, net	(16)	(38,854)
Inventories	25,050	(16,832)
Prepaid expense and other current and non-current assets	(13,790)	(6,481)
Accounts payable and accrued liabilities	(7,323)	66,069
Income tax payable/recoverable	(4,712)	1,668
Other liabilities	(816)	7
Net cash provided by operating activities	99,128	60,788
Investing activities:
Purchase of property and equipment	(59,489)	(33,796)
Purchase of business, net of cash acquired (Note 9)	0	(48,099)
Purchase of intangibles	(663)	0
Proceeds from sale of property and equipment	2,400	443
Purchase of securities available-for-sale	(115,038)	(69,967)
Proceeds from maturities of securities available-for-sale	105,000	158,975
Net cash (used in) provided by investing activities	(67,790)	7,556
Financing activities:
Payment of debt	0	(79,432)
Debt issuance cost	(122)	0
Proceeds from the issuance of common stock	5,334	2,808
Repurchase of common stock, including transaction costs	(12,780)	(6,999)
Tax withholding paid on behalf of employees for restricted stock units	(8,979)	(5,866)
Restricted cash associated with financing activities	145	(98)
Repayment of capital lease obligations	(47)	(46)
Net cash used in financing activities	(16,449)	(89,633)
Effect of exchange rate changes on cash	931	(570)
Net increase (decrease) in cash and cash equivalents	15,820	(21,859)
Cash and cash equivalents at the beginning of the period	101,662	135,524
Cash and cash equivalents at the end of the period	$ 117,482	$ 113,665