Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Cash flows from operating activities:
Net income	$ 54,009	$ 42,376
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,912	7,150
Stock compensation expense	11,650	9,734
Deferred income taxes	26,572	16,914
Gain on retirement or write-off of long-lived assets	0	(431)
Other non-cash charges	2,359	2,246
Net change in operating assets and liabilities:
Accounts receivable, net	(28,351)	(86,813)
Inventories	28,053	(93,187)
Other assets	(8,003)	(5,340)
Accounts payable and other accrued liabilities	(2,099)	58,993
Deferred income	(98)	(648)
Income taxes payable	97	193
Net cash provided by (used in) operating activities	91,101	(48,813)
Cash flows from investing activities:
Proceeds from sale of available for sale marketable securities	14,317	58,058
Purchases of available for sale marketable securities	(83,657)	(5,979)
Purchases of property, equipment and software	(8,233)	(31,425)
Proceeds from sale of Apex assets	0	22,220
Decrease (increase) in deposits and other assets	(16)	478
Net cash (used in) provided by investing activities	(77,589)	43,352
Cash flows from financing activities:
Issuance of common stock, net of shares withheld for taxes	1,636	7,310
Repurchase and retirement of common stock	(12,664)	0
Net cash (used in) provided by financing activities	(11,028)	7,310
Net increase in cash and cash equivalents	2,484	1,849
Cash and cash equivalents at beginning of period	66,402	65,997
Cash and cash equivalents at end of period	$ 68,886	$ 67,846