Special items Severance and Other Employee Related (Details) (Severance and other employee- related costs, USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 29, 2012
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	$ 1.9
Charges incurred	15.2
Payments made	(6.4)
Foreign currency and other adjustments	(0.3)
Ending balance of restructuring accruals	10.4
Canada [Member]
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	0.1
Charges incurred	4.1
Payments made	(1.2)
Foreign currency and other adjustments	(0.1)
Ending balance of restructuring accruals	2.9
Central Europe
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	0
Charges incurred	0.1
Payments made	0
Foreign currency and other adjustments	0
Ending balance of restructuring accruals	0.1
U.K. [Member]
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	1.8
Charges incurred	8.7
Payments made	(4.9)
Foreign currency and other adjustments	(0.2)
Ending balance of restructuring accruals	5.4
MCI
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	0
Charges incurred	1.2
Payments made	0
Foreign currency and other adjustments	0
Ending balance of restructuring accruals	1.2
Corporate
Changes in restructuring accruals [Roll Forward]
Beginning balance of restructuring accruals	0
Charges incurred	1.1
Payments made	(0.3)
Foreign currency and other adjustments	0
Ending balance of restructuring accruals	$ 0.8