Fair Value (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held For Sale Carrying Value Fair Value	$ 8.0
Assets Held-for-sale, Long Lived, Fair Value Disclosure	6.8
Assets Held For Sale Fair Value Adjustment	1.2
Long Lived Assets Held and Used Fair Value Adjustment	97.6
Long Lived Fixed Assets Held and Used at Carrying Value	112.5
Fair Value (Additional Textual) [Abstract]
Maximum maturity period of cash and cash equivalent	three months or less
Maturity period of short-term investments	four months and one year
Cash and Cash Equivalents	238.2	384.6	418.1	586.4
Long-term fixed-rate debt, fair value	559.5	474.5
Long-term fixed-rate debt, carrying value	529.4	441.6
Long Lived Fixed Assets Held and Used at Fair Value	14.9
Fair Value, Measurements, Recurring [Member]
Fair Value (Additional Textual) [Abstract]
Cash and cash equivalents	238.2	384.6
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value (Additional Textual) [Abstract]
Cash and cash equivalents	189.0	320.4
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value (Additional Textual) [Abstract]
Cash and cash equivalents	49.2	64.2
Aerospace Overhaul [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held For Sale Carrying Value Fair Value	8.0
Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Fair Value Adjustment	86.3
Long Lived Fixed Assets Held and Used at Carrying Value	92.5
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	6.2
Indefinite-lived Intangible Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Fair Value Adjustment	5.5
Long Lived Fixed Assets Held and Used at Carrying Value	14.2
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	8.7
Other Intangible Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Fair Value Adjustment	4.4
Long Lived Fixed Assets Held and Used at Carrying Value	4.4
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	0
Property, Plant and Equipment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Fair Value Adjustment	1.4
Long Lived Fixed Assets Held and Used at Carrying Value	1.4
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	0
Drives [Member] | Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Fixed Assets Held and Used at Carrying Value	56.9
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	1.7
Aerospace Aftermarket [Member] | Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Fixed Assets Held and Used at Carrying Value	35.6
Fair Value (Additional Textual) [Abstract]
Long Lived Fixed Assets Held and Used at Fair Value	$ 4.5