Comprehensive Income (Details) (USD $)	3 Months Ended		12 Months Ended
	Feb. 04, 2012	Jan. 29, 2011	Oct. 29, 2011
Components of comprehensive income
Income from continuing operations, net of tax	$ 139,382,000	$ 222,106,000
Income from continuing operations, net of tax	139,382,000	215,606,000
Foreign currency translation adjustments	(2,252,000)	(21,000)
Change in unrealized holding gains (net of taxes of $206 and $23, respectively) on securities classified as short-term investments	1,147,000	162,000
Change in unrealized holding gains (net of taxes of $98 and $40, respectively) on securities classified as other investments	182,000	74,000
Change in unrealized losses (net of taxes of $829 and $401,respectively) on derivative instruments designated as cash flow hedges	(5,741,000)	(3,023,000)
Pension plans
Transition asset	1,000	1,000
Net actuarial gain	1,414,000	905,000
Other comprehensive loss	(5,249,000)	(1,902,000)
Comprehensive income from continuing operations	134,133,000	213,704,000
Gain on sale of discontinued operations, net of tax	0	6,500,000	6,500,000
Comprehensive income	134,133,000	220,204,000
Components of accumulated other comprehensive loss, net of tax
Foreign currency translation adjustment	(4,290,000)		(2,038,000)
Unrealized gains on available-for-sale securities	1,518,000		695,000
Unrealized losses on available-for-sale securities	(135,000)		(641,000)
Unrealized gains on derivative instruments	(4,054,000)		1,687,000
Pension plans
Transition (obligation) asset	(116,000)		(117,000)
Net actuarial loss	(24,341,000)		(25,755,000)
Total accumulated other comprehensive loss	(31,418,000)		(26,169,000)
Unrealized gains and losses on available-for-sale securities classified as short-term investments
Unrealized gains on securities classified as short-term investments	812,000		22,000
Unrealized lsses on securities classified as short-term investments	(37,000)		(600,000)
Net unrealized gains (losses) on securities classified as short-term investments	775,000		(578,000)
Comprehensive Income (Textual) [Abstract]
Unrealized holding gains on short term investments, tax	206,000	23,000
Unrealized holding gains (losses) other investments, tax	98,000	40,000
Unrealized losses designated as cash flow hedges, tax	829,000	401,000
Fair value of investments with unrealized losses	347,800,000		1,899,400,000
Net realized gains or losses the sales of available-for-sale	$ 0		$ 0