Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jul. 02, 2016	Jun. 27, 2015
Cash flows from operating activities:
Net income	$ 163,049	$ 147,715
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	11,625	13,253
Amortization	3,713	4,354
Stock-based compensation	29,404	26,320
Net gain on sale of available-for-sale securities	(209)	(230)
Amortization of debt discounts	3,016	3,010
Provision for deferred income taxes	(1,493)	2,013
Changes in assets and liabilities:
Accounts receivable, net	90,444	(5,373)
Inventories	(16,828)	9,112
Prepaid expenses and other current assets	3,044	(347)
Other assets	(3,572)	(2,843)
Accounts payable	11,784	1,784
Accrued liabilities	6,633	277
Income taxes payable	18,248	(1,713)
Deferred income on shipments to distributors	19,778	(10,340)
Net cash provided by operating activities	338,636	186,992
Cash flows from investing activities:
Purchases of available-for-sale securities	(891,186)	(704,899)
Proceeds from sale and maturity of available-for-sale securities	827,689	460,791
Purchases of property, plant and equipment	(20,637)	(7,689)
Other investing activities	(3,500)	333
Net cash used in investing activities	(87,634)	(251,464)
Cash flows from financing activities:
Payments for Repurchase of Common Stock	(100,154)	(100,000)
Proceeds from issuance of common stock, net of withholding taxes	11,297	18,444
Payment of dividends to stockholders	(83,599)	(80,206)
Net cash used in financing activities	(172,456)	(161,762)
Net increase (decrease) in cash and cash equivalents	78,546	(226,234)
Cash and cash equivalents at beginning of period	503,816	892,572
Cash and cash equivalents at end of period	582,362	666,338
Supplemental disclosure of cash flow information:
Interest paid	7,875	7,875
Income taxes paid, net	$ 1,832	$ 19,721