Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2015		Jun. 28, 2014
Cash flows from operating activities:
Net income	$ 147,715		$ 173,611
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,253		13,468
Amortization	4,354		5,205
Stock-based compensation	26,320		22,106
Net gain on sale of available-for-sale securities	(230)		(670)
Amortization of debt discounts	3,010		3,003
Provision for deferred income taxes	2,013		5,789
Excess tax benefit from stock-based compensation	(3,839)		(2,660)
Changes in assets and liabilities:
Accounts receivable, net	(5,373)		(13,501)
Inventories	9,112		(22,879)
Prepaid expenses and other current assets	(347)		(4,751)
Other assets	(2,843)		(5,188)
Accounts payable	1,784		(50,123)
Accrued liabilities	277		(12,389)
Income taxes payable	(1,713)		4,939
Deferred income on shipments to distributors	(10,340)		14,159
Net cash provided by operating activities	183,153		130,119
Cash flows from investing activities:
Purchases of available-for-sale securities	(704,899)		(874,367)
Proceeds from sale and maturity of available-for-sale securities	460,791		570,043
Purchases of property, plant and equipment	(7,689)		(9,116)
Other investing activities	333		(3,742)
Net cash used in investing activities	(251,464)		(317,182)
Cash flows from financing activities:
Payments for Repurchase of Common Stock	(100,000)		(101,016)
Proceeds from issuance of common stock, net of withholding taxes	18,444		14,195
Payment of dividends to stockholders	(80,206)		(77,421)
Excess tax benefit from stock-based compensation	3,839		2,660
Net cash used in financing activities	(157,923)		(161,582)
Net decrease in cash and cash equivalents	(226,234)		(348,645)
Cash and cash equivalents at beginning of period	892,572	[1]	973,677
Cash and cash equivalents at end of period	666,338		625,032
Supplemental disclosure of cash flow information:
Interest paid	7,875		7,875
Income taxes paid, net	$ 19,721		$ 15,856

[1] Derived from audited financial statements