Accounting Policies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 31, 2014
Intangible assets subject to amortization
Gross Carrying Amount	$ 291.2		$ 295.1
Accumulated Amortization	(128.7)		(123.6)
Net Carrying Amount	162.5		171.5
Indefinite-lived intangible assets
Indefinite-lived intangible assets	36.9		38.6
Intangible assets
Gross Carrying Amount	328.1		333.7
Net Carrying Amount	199.4		210.1
Weighted-average amortization	12 years 3 months 18 days
Aggregate amortization expense for amortized intangible assets	5.1	3.7
Future amortization expense
Future amortization expense for remainder of 2015	14.7
Future amortization expense, 2016	19.2
Future amortization expense, 2017	18.9
Future amortization expense, 2018	15.7
Future amortization expense, 2019	11.9
Aerco
Intangible assets
Net Carrying Amount	102.4
Weighted-average amortization	15 years
Patents
Intangible assets subject to amortization
Gross Carrying Amount	16.1		16.2
Accumulated Amortization	(13.5)		(13.3)
Net Carrying Amount	2.6		2.9
Intangible assets
Weighted-average amortization	4 years 10 months 24 days
Customer relationships
Intangible assets subject to amortization
Gross Carrying Amount	203.5		206.7
Accumulated Amortization	(91.1)		(87.5)
Net Carrying Amount	112.4		119.2
Intangible assets
Weighted-average amortization	12 years
Customer relationships | Aerco
Intangible assets
Gross Carrying Amount	78.5
Weighted-average amortization	16 years
Technology
Intangible assets subject to amortization
Gross Carrying Amount	41.8		42.1
Accumulated Amortization	(13.8)		(12.9)
Net Carrying Amount	28.0		29.2
Intangible assets
Weighted-average amortization	10 years 2 months 12 days
Technology | Aerco
Intangible assets
Gross Carrying Amount	15.8
Weighted-average amortization	10 years
Trade name
Intangible assets subject to amortization
Gross Carrying Amount	20.3		20.6
Accumulated Amortization	(4.6)		(4.2)
Net Carrying Amount	15.7		16.4
Intangible assets
Weighted-average amortization	14 years 4 months 24 days
Trade name | Aerco
Intangible assets
Gross Carrying Amount	7.4
Weighted-average amortization	20 years
Other
Intangible assets subject to amortization
Gross Carrying Amount	9.5		9.5
Accumulated Amortization	(5.7)		(5.7)
Net Carrying Amount	$ 3.8		$ 3.8
Intangible assets
Weighted-average amortization	33 years 2 months 12 days