Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Mar. 29, 2008	$ 1,969,197	$ 2,805	$ 1,160,278	$ 800,310	$ 5,804
Beginning Balance, Shares at Mar. 29, 2008		280,519
Components of comprehensive income:
Net income	361,719			361,719
Change in net unrealized loss on available-for-sale securities, net of tax benefit of $9,272, $9,115, $2,176 for 2009, 2010 and 2011 respectively	(14,888)				(14,888)
Change in net unrealized loss on hedging transactions, net of taxes	(2,039)				(2,039)
Cumulative translation adjustment	(7,735)				(7,735)
Total comprehensive income	337,057
Issuance of common shares under employee stock plans	96,396	58	96,338
Issuance of common shares under employee stock plans, Shares		5,811
Repurchase and retirement of common stock	(275,000)	(108)	(156,635)	(118,257)
Repurchase and retirement of common stock, Shares		(10,823)
Early extinguishment of convertible debentures	(72,593)		(72,593)
Stock-based compensation expense	54,509		54,509
Stock-based compensation capitalized in inventory	(396)		(396)
Adjustment to accounting for uncertain tax position adoption entry	(10,120)			(10,120)
Cash dividends declared ($ 0.56, $0.60, $0.64 per common share for 2009, 2010, 2011 respectively)	(154,534)			(154,534)
Tax benefit from exercise of stock options	4,244		4,244
Ending Balance at Mar. 28, 2009	1,948,760	2,755	1,085,745	879,118	(18,858)
Ending Balance, Shares at Mar. 28, 2009		275,507
Components of comprehensive income:
Net income	357,484			357,484
Change in net unrealized loss on available-for-sale securities, net of tax benefit of $9,272, $9,115, $2,176 for 2009, 2010 and 2011 respectively	14,756				14,756
Change in net unrealized loss on hedging transactions, net of taxes	(541)				(541)
Cumulative translation adjustment	3,422				3,422
Total comprehensive income	375,121
Issuance of common shares under employee stock plans	60,088	42	60,046
Issuance of common shares under employee stock plans, Shares		4,183
Repurchase and retirement of common stock	(149,997)	(62)	(95,526)	(54,409)
Repurchase and retirement of common stock, Shares		(6,203)
Stock-based compensation expense	56,481		56,481
Stock-based compensation capitalized in inventory	17		17
Cash dividends declared ($ 0.56, $0.60, $0.64 per common share for 2009, 2010, 2011 respectively)	(165,648)			(165,648)
Tax benefit from exercise of stock options	(4,352)		(4,352)
Ending Balance at Apr. 03, 2010	2,120,470	2,735	1,102,411	1,016,545	(1,221)
Ending Balance, Shares at Apr. 03, 2010	273,487	273,487
Components of comprehensive income:
Net income	641,875			641,875
Change in net unrealized loss on available-for-sale securities, net of tax benefit of $9,272, $9,115, $2,176 for 2009, 2010 and 2011 respectively	3,537				3,537
Change in net unrealized loss on hedging transactions, net of taxes	6,776				6,776
Cumulative translation adjustment	1,425				1,425
Total comprehensive income	653,613
Issuance of common shares under employee stock plans	170,353	89	170,264
Issuance of common shares under employee stock plans, Shares		8,870
Repurchase and retirement of common stock	(468,943)	(178)	(217,461)	(251,304)
Repurchase and retirement of common stock, Shares		(17,755)
Stock-based compensation expense	60,258		60,258
Stock-based compensation capitalized in inventory	394		394
Equity component of 2.625% Debentures, net	108,094		108,094
Purchase of call options	(112,319)		(112,319)
Issuance of warrants	46,908		46,908
Cash dividends declared ($ 0.56, $0.60, $0.64 per common share for 2009, 2010, 2011 respectively)	(169,072)			(169,072)
Tax benefit from exercise of stock options	4,861		4,861
Ending Balance at Apr. 02, 2011	$ 2,414,617	$ 2,646	$ 1,163,410	$ 1,238,044	$ 10,517
Ending Balance, Shares at Apr. 02, 2011	264,602	264,602