Accounting Policies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Dec. 31, 2013
Intangible assets subject to amortization
Gross Carrying Amount	$ 195.2		$ 195.2		$ 199.0
Accumulated Amortization	(119.5)		(119.5)		(108.5)
Net Carrying Amount	75.7		75.7		90.5
Indefinite-lived intangible assets
Indefinite-lived intangible assets	40.7		40.7		41.9
Intangible assets
Gross Carrying Amount	235.9		235.9		240.9
Accumulated Amortization	(119.5)		(119.5)		(108.5)
Net Carrying Amount	116.4		116.4		132.4
Weighted-average remaining life			8 years 1 month 6 days
Aggregate amortization expense for amortized intangible assets	3.7	3.7	11.1	11.0
Future amortization expense
Future amortization expense for remainder of 2014	3.2		3.2
Future amortization expense, 2015	14.0		14.0
Future amortization expense, 2016	13.6		13.6
Future amortization expense, 2017	13.2		13.2
Future amortization expense, 2018	9.8		9.8
Patents
Intangible assets subject to amortization
Gross Carrying Amount	16.3		16.3		16.6
Accumulated Amortization	(13.1)		(13.1)		(12.6)
Net Carrying Amount	3.2		3.2		4.0
Intangible assets
Accumulated Amortization	(13.1)		(13.1)		(12.6)
Weighted-average remaining life			5 years 2 months 12 days
Customer relationships
Intangible assets subject to amortization
Gross Carrying Amount	130.1		130.1		133.0
Accumulated Amortization	(84.5)		(84.5)		(76.4)
Net Carrying Amount	45.6		45.6		56.6
Intangible assets
Accumulated Amortization	(84.5)		(84.5)		(76.4)
Weighted-average remaining life			4 years 9 months 18 days
Technology
Intangible assets subject to amortization
Gross Carrying Amount	26.6		26.6		26.9
Accumulated Amortization	(12.3)		(12.3)		(10.9)
Net Carrying Amount	14.3		14.3		16.0
Intangible assets
Accumulated Amortization	(12.3)		(12.3)		(10.9)
Weighted-average remaining life			11 years 1 month 6 days
Trade Names
Intangible assets subject to amortization
Gross Carrying Amount	13.4		13.4		13.7
Accumulated Amortization	(3.9)		(3.9)		(3.0)
Net Carrying Amount	9.5		9.5		10.7
Intangible assets
Accumulated Amortization	(3.9)		(3.9)		(3.0)
Weighted-average remaining life			10 years 3 months 18 days
Other
Intangible assets subject to amortization
Gross Carrying Amount	8.8		8.8		8.8
Accumulated Amortization	(5.7)		(5.7)		(5.6)
Net Carrying Amount	3.1		3.1		3.2
Intangible assets
Accumulated Amortization	$ (5.7)		$ (5.7)		$ (5.6)
Weighted-average remaining life			38 years 3 months 18 days