Special Items Restructuring Accruals (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	$ 1.9	$ 2.4
Charges incurred	34.9	2.7
Payments made	(11.6)	(3.1)
Foreign currency and other adjustments	(0.4)	(0.1)
Restructuring accruals, ending balance	24.8	1.9
Canada
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	0.1	0.2
Charges incurred	10.1	0.1
Payments made	(2.9)	(0.5)
Foreign currency and other adjustments	(0.2)	0.3
Restructuring accruals, ending balance	7.1	0.1
Central Europe
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	0	0
Charges incurred	2.0	0
Payments made	(1.4)	0
Foreign currency and other adjustments	0	0
Restructuring accruals, ending balance	0.6	0
U.K.
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	1.8	2.2
Charges incurred	17.8	2.6
Payments made	(6.6)	(2.6)
Foreign currency and other adjustments	(0.2)	(0.4)
Restructuring accruals, ending balance	12.8	1.8
MCI
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	0	0
Charges incurred	3.0	0
Payments made	(0.2)	0
Foreign currency and other adjustments	0	0
Restructuring accruals, ending balance	2.8	0
Corporate
Restructuring Reserve [Roll Forward]
Restructuring accruals, beginning balance	0	0
Charges incurred	2.0	0
Payments made	(0.5)	0
Foreign currency and other adjustments	0	0
Restructuring accruals, ending balance	$ 1.5	$ 0