Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 26, 2015		Sep. 27, 2014
Cash flows from operating activities:
Net income	$ 275,013		$ 345,127
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	25,725		27,146
Amortization	8,708		10,508
Stock-based compensation	53,001		50,846
Net gain on sale of available-for-sale securities	(618)		(2,412)
Amortization of debt discounts	6,019		6,008
Provision for deferred income taxes	1,129		26,304
Excess tax benefit from stock-based compensation	(10,455)		(13,775)
Changes in assets and liabilities:
Accounts receivable, net	(36,013)		(22,796)
Inventories	18,119		(28,409)
Prepaid expenses and other current assets	(9,051)		(13,250)
Other assets	(3,106)		(2,871)
Accounts payable	(4,834)		(44,006)
Accrued liabilities	(11,909)		7,066
Income taxes payable	(10,481)		(17,237)
Deferred income on shipments to distributors	15,636		5,751
Net cash provided by operating activities	316,883		334,000
Cash flows from investing activities:
Purchases of available-for-sale securities	(1,349,852)		(1,566,289)
Proceeds from sale and maturity of available-for-sale securities	1,248,939		1,432,191
Purchases of property, plant and equipment	(13,051)		(17,543)
Other investing activities	242		(5,251)
Net cash used in investing activities	(113,722)		(156,892)
Cash flows from financing activities:
Repurchases of common stock	(199,998)		(301,015)
Proceeds from issuance of common stock through various stock plans, net	14,823		5,532
Payment of dividends to stockholders	(160,402)		(154,378)
Excess tax benefit from stock-based compensation	10,455		13,775
Net cash used in financing activities	(335,122)		(436,086)
Net decrease in cash and cash equivalents	(131,961)		(258,978)
Cash and cash equivalents at beginning of period	892,572	[1]	973,677
Cash and cash equivalents at end of period	760,611		714,699
Supplemental disclosure of cash flow information:
Interest paid	20,688		20,901
Income taxes paid, net	$ 46,121		$ 40,139

[1] Derived from audited financial statements