Goodwill and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	$ 260.5	$ 260.5
Intangible assets, Accumulated Amortization	65.7	56.3
Intangible assets, Net Carrying Amount	194.8	204.2
Intangible assets not subject to amortization:
Trade name	17.3	17.3
FAA air agency certificates	14.2	14.2
Indefinite Lived Intangible Assets Net	31.5	31.5
Total intangible assets, Gross Carrying Amount	292.0	292.0
Total intangible assets, Net Carrying Amount	226.3	235.7
Customer relationships [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	157.1	157.1
Intangible assets, Accumulated Amortization	32.5	26.3
Intangible assets, Net Carrying Amount	124.6	130.8
Know-how [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	22.6	22.6
Intangible assets, Accumulated Amortization	2.2	1.5
Intangible assets, Net Carrying Amount	20.4	21.1
Industrial license agreements [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	0.1	0.1
Intangible assets, Accumulated Amortization	0.1	0.1
Intangible assets, Net Carrying Amount	0	0
Land-use rights [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	8.5	8.6
Intangible assets, Accumulated Amortization	3.9	3.8
Intangible assets, Net Carrying Amount	4.6	4.8
Patents [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	2.5	2.5
Intangible assets, Accumulated Amortization	1.8	1.7
Intangible assets, Net Carrying Amount	0.7	0.8
Technology use [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	46.9	46.9
Intangible assets, Accumulated Amortization	10.0	8.7
Intangible assets, Net Carrying Amount	36.9	38.2
Trademarks [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	2.9	2.8
Intangible assets, Accumulated Amortization	2.3	2.3
Intangible assets, Net Carrying Amount	0.6	0.5
PMA licenses [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	8.8	8.8
Intangible assets, Accumulated Amortization	3.3	3.1
Intangible assets, Net Carrying Amount	5.5	5.7
Non-compete agreements [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	3.9	3.9
Intangible assets, Accumulated Amortization	2.9	2.5
Intangible assets, Net Carrying Amount	1.0	1.4
Unpatented technology [Member]
Intangible assets subject to amortization:
Intangible assets, Gross Carrying Amount	7.2	7.2
Intangible assets, Accumulated Amortization	6.7	6.3
Intangible assets, Net Carrying Amount	$ 0.5	$ 0.9