Segment Reporting Income (Loss) From Continuing Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Segment Reporting
Income (loss) from continuing operations before income taxes	$ 312.4	$ 123.8	$ 353.8	$ 220.4
Canada [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	137.3	139.9	173.7	183.8
U.S.
Segment Reporting
Income (loss) from continuing operations before income taxes	172.6	185.6	290.0	304.5
Europe [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	81.6	28.7	77.9	30.0
MCI
Segment Reporting
Income (loss) from continuing operations before income taxes	(3.3)	(24.3)	(9.4)	(32.9)
Corporate
Segment Reporting
Income (loss) from continuing operations before income taxes	$ (75.8)	$ (206.1)	$ (178.4)	$ (265.0)