Segment Information (Reconciliations Of Segment Gross Profit And Segment Operating Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jul. 01, 2011	Apr. 01, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross profit	$ 210.4	$ 238.0	$ 258.3	$ 245.2	$ 239.2	$ 261.1	$ 266.1	$ 242.4	$ 951.9	$ 1,008.8	$ 956.0
Goodwill and Intangible Asset Impairment									(49.5)	0	(16.1)
Other unallocated operating expenses									(968.2)	(895.4)	(581.8)
Operating income (loss)									(16.3)	113.4	374.2
Reportable Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross profit for reportable segments									1,003.2	1,063.8	1,011.8
Operating income for reportable segments									259.4	286.0	498.1
Unallocated Amount to Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Other unallocated manufacturing costs									(51.3)	(55.0)	(55.8)
Restructuring and other charges									(165.3)	(102.7)	(10.5)
Goodwill and Intangible Asset Impairment									(49.5)	0	(16.1)
Other unallocated operating expenses									$ (9.6)	$ (14.9)	$ (41.5)