Stock-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation			$ 21.4	$ 20.7
Stock Based Compensation (Textual) [Abstract]
Unrecognized compensation cost related to share based compensation cost	79		79
Continuing operations [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	$ 8.6	$ 8.3	$ 19.4	$ 19.3
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost weighted average recognition period in years (stock options, PUs, and RSUs)			2 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost weighted average recognition period in years (stock options, PUs, and RSUs)			2 months
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost weighted average recognition period in years (stock options, PUs, and RSUs)			2 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost weighted average recognition period in years (stock options, PUs, and RSUs)			2 years