Segment Information (Geographic Information) (Details) (USD $)	3 Months Ended								12 Months Ended
	Sep. 30, 2011	Jul. 01, 2011	Apr. 01, 2011	Dec. 31, 2010	Oct. 01, 2010	Jul. 02, 2010	Apr. 02, 2010	Jan. 01, 2010	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Segment Reporting Information [Line Items]
Revenues	$ 719,000,000	$ 649,400,000	$ 648,400,000	$ 579,900,000	$ 652,100,000	$ 578,000,000	$ 585,600,000	$ 540,900,000	$ 2,596,666,000	$ 2,356,585,000	$ 2,214,060,000
Long-Lived Assets	286,000,000				268,000,000				286,000,000	268,000,000	264,000,000
United States [Member]
Segment Reporting Information [Line Items]
Revenues									975,000,000	970,000,000	1,068,000,000
Long-Lived Assets	223,000,000				215,000,000				223,000,000	215,000,000	214,000,000
International [Member]
Segment Reporting Information [Line Items]
Revenues									1,622,000,000	1,387,000,000	1,146,000,000
Long-Lived Assets	$ 63,000,000				$ 53,000,000				$ 63,000,000	$ 53,000,000	$ 50,000,000