Stockholders' Equity (Details) (USD $) Share data in Millions, unless otherwise specified	1 Months Ended				12 Months Ended
	Oct. 31, 2011	Jul. 31, 2010	Oct. 31, 2009	Oct. 31, 2008 M	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Stockholders' Equity
Stock issuances under employee plans, net of shares withheld for taxes (in shares)					1.3
Shares withheld to satisfy employee tax obligation (in shares)					0.2
Value of common stock board of directors authorized to repurchase	$ 50,000,000	$ 150,000,000	$ 150,000,000	$ 100,000,000
Period of stock repurchase program (in months)				12
Common stock repurchased (in shares)					3.2	3.3	0.6
Repurchases of common stock					110,063,000	140,332,000	20,181,000
Components of accumulated other comprehensive loss, net of taxes
Unrealized Losses on Cash Flow Hedges, balance at beginning of period					(2,477,000)	(2,919,000)	(3,642,000)
Change associated with current period transactions, net of tax					(276,000)	(1,716,000)	(1,092,000)
Unrealized Losses on Cash Flow Hedges, Amount reclassified into earnings, net of tax					1,454,000	2,158,000	1,815,000
Unrealized Losses on Cash Flow Hedges, balance at end of period					(1,299,000)	(2,477,000)	(2,919,000)
Net Unrealized Losses on Available-For-Sale Securities, balance at beginning of period					(1,171,000)	(1,437,000)	(2,406,000)
Net Unrealized Losses on Available-For-Sale Securities, Change associated with current period transactions, net of tax					3,000	185,000	969,000
Net Unrealized Losses on Available-For-Sale Securities, Amount reclassified into earnings, net of tax						81,000
Net Unrealized Losses on Available-For-Sale Securities, balance at end of period					(1,168,000)	(1,171,000)	(1,437,000)
Accumulated other comprehensive income (loss), balance at beginning of period					(3,648,000)	(4,356,000)	(6,048,000)
Change associated with current period transactions, net of tax, total					(273,000)	(1,531,000)	(123,000)
Amount reclassified into earnings, net of tax, total					1,454,000	2,239,000	1,815,000
Accumulated other comprehensive income (loss), balance at end of period					$ (2,467,000)	$ (3,648,000)	$ (4,356,000)