Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Cash flows from operating activities:
Net income	$ 261,209	$ 123,630	$ 55,178
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	63,433	58,060	34,855
Stock compensation expense	39,593	33,506	37,549
Deferred income taxes	10,885	23,202	32,238
Loss on retirement or write-off of long-lived assets	10,387	2,753	1,618
Actuarial loss amortization on defined benefit pension plan	116	729	292
Excess tax benefit from employee stock awards		(3,850)	(37,692)
Other non-cash charges	8,980	19,702	22,167
Net change in operating assets and liabilities:
Accounts receivable, net	(31,442)	24,156	(37,344)
Inventories	(25,880)	(57,819)	16,077
Other assets	575	(1,522)	285
Accounts payable	1,772	(41,456)	36,504
Accrued salaries and benefits	18,951	(2,993)	7,047
Deferred income		(6,105)	(77)
Income taxes payable	10,969	(11,807)	(639)
Other accrued liabilities	203	(11,140)	(4,581)
Net cash provided by operating activities	369,751	149,046	163,477
Cash flows from investing activities:
Maturities and sales of available for sale marketable securities	212,863	125,660	301,847
Purchases of available for sale marketable securities	(231,432)	(22,570)	(133,436)
Purchases of property, equipment and software	(41,849)	(41,569)	(32,311)
Investments in technology	(9,447)	(4,519)	(4,387)
Loss on foreign exchange hedging activities			(11,976)
Acquisition of businesses, net of cash obtained		(36,759)
Net cash (used in) provided by investing activities	(69,865)	20,243	(324,401)
Cash flows from financing activities:
Proceeds from long-term revolver			226,439
Principal payments on long-term revolver	(100,439)	(20,000)	(46,000)
Debt issuance costs	(2,152)		(2,825)
Payments on capital lease agreements	(699)
Issuance of common stock, net of shares withheld for taxes	16,518	6,617	5,327
Repurchase of stock to satisfy employee tax withholding obligations	(14,089)	(6,861)	(4,624)
Repurchase and retirement of common stock	(15,439)	(60,503)	(10,534)
Excess tax benefit from employee stock awards		3,850	37,692
Contingent consideration payments	(1,213)
Net cash (used in) provided by financing activities	(117,513)	(76,897)	205,475
Net increase in cash and cash equivalents	182,373	92,392	44,551
Cash and cash equivalents at beginning of period	168,793	76,401	31,850
Cash and cash equivalents at end of period	351,166	168,793	76,401
Cash payments during the year for:
Income taxes	8,001	23,785	4,973
Interest expense	$ 2,947	$ 3,318	2,391
Wolfson [Member]
Cash flows from investing activities:
Acquisition of businesses, net of cash obtained			$ (444,138)