CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 29, 2013	Dec. 30, 2012
Cash flows provided by (used for) operating activities:
Net Income (loss)	$ 88,335	$ (9,545)
Adjustments:
Depreciation	15,936	14,737
Amortization of intangible assets	12,794	15,144
Goodwill and long-lived asset impairment	4,797	584
Gain from divestitures, net	78,934	886
Stock-based compensation expense, net of amounts capitalized in inventory	10,846	9,306
Deferred tax benefit	(160)	(4,302)
Tax benefit from share based payment arrangements	0	(45)
Changes in assets and liabilities (net of amounts acquired):
Accounts receivable, net	(3,691)	2,143
Inventories	(751)	13,294
Prepayments and other assets	4,786	6,329
Accounts payable	(2,676)	(4,569)
Accrued compensation and related expenses	49	(4,363)
Deferred income on shipments to distributors	(1,165)	(662)
Income taxes payable and receivable	(905)	200
Other accrued liabilities and long-term liabilities	(996)	(1,333)
Net cash provided by (used for) operating activities	48,265	36,032
Cash flows provided by (used for) investing activities:
Acquisitions, net of cash acquired	0	(68,341)
Cash in escrow related to acquisitions	6,000	(7,816)
Proceeds from divestitures	96,299	5,000
Purchases of property, plant and equipment	(14,489)	(22,011)
Purchases of short-term investments	(307,529)	(139,915)
Proceeds from sales of short-term investments	26,949	32,396
Proceeds from maturities of short-term investments	112,506	130,822
Net cash provided by (used for) investing activities	(80,264)	(69,865)
Cash flows provided by (used for) financing activities:
Proceeds from issuance of common stock	30,889	10,829
Repurchase of common stock	(20,376)
Payment of acquisition related contingent consideration	(5,130)	0
Excess tax benefit from share based payment arrangements	0	45
Net cash provided by (used for) financing activities	5,383	10,874
Effect of exchange rates on cash and cash equivalents	407	837
Net increase (decrease) in cash and cash equivalents	(26,209)	(22,122)
Cash and cash equivalents at beginning of period	130,837	134,924
Cash and cash equivalents at end of period	$ 104,628	$ 112,802