Accounting Policies (Details) (USD $) In Millions	9 Months Ended
	Oct. 02, 2011	Dec. 31, 2010
Goodwill
Balance at the beginning of the period	$ 450.0
Net goodwill, balance at the beginning of the period	428.0
Acquired	74.3
Effect of change in exchange rates used for translation	(1.5)
Balance at the ending of the period	522.8
Accumulated impairment losses	(22.0)	(22.0)
Net goodwill, balance at the end of the period	500.8
North America
Goodwill
Balance at the beginning of the period	213.8
Net goodwill, balance at the beginning of the period	191.8
Acquired	4.3
Balance at the ending of the period	218.1
Accumulated impairment losses	(22.0)	(22.0)
Net goodwill, balance at the end of the period	196.1
Europe
Goodwill
Balance at the beginning of the period	228.1
Net goodwill, balance at the beginning of the period	228.1
Acquired	65.7
Effect of change in exchange rates used for translation	(1.8)
Balance at the ending of the period	292.0
Net goodwill, balance at the end of the period	292.0
China
Goodwill
Balance at the beginning of the period	8.1
Net goodwill, balance at the beginning of the period	8.1
Acquired	4.3
Effect of change in exchange rates used for translation	0.3
Balance at the ending of the period	12.7
Net goodwill, balance at the end of the period	$ 12.7