Segment Reporting Income (Loss) From Continuing Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 28, 2013		Sep. 29, 2012		Sep. 28, 2013		Sep. 29, 2012
Segment Reporting
Income (loss) from continuing operations before income taxes	$ 155.4		$ 243.2		$ 509.2		$ 463.6
Canada [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	128.7		147.0		302.4		330.8
U.S.
Segment Reporting
Income (loss) from continuing operations before income taxes	148.3		132.0		438.3		436.5
Europe [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	(69.5)	[1]	82.9	[1]	8.4	[1]	112.9	[1]
MCI
Segment Reporting
Income (loss) from continuing operations before income taxes	(2.4)		(37.4)		(11.8)		(70.3)
Corporate
Segment Reporting
Income (loss) from continuing operations before income taxes	$ (49.7)		$ (81.3)		$ (228.1)		$ (346.3)

[1] The third quarter and first three quarters of 2013 include an impairment charge to indefinite-lived intangible assets recorded in the third quarter of 2013, which is the primary driver of the decrease from the comparable periods in 2012. See Note 11, "Goodwill and Intangible Assets" for further discussion.