Fair Value (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held-for-sale, Not Part of Disposal Group, Other	$ 0.2
Impairment of Long-Lived Assets to be Disposed of	0.2
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	$ 2.7
Assets Held For Sale Carrying Value - Fair Value Disclosure		5.2
Assets and Liabilities Measured at fair value on a recurring basis
Restricted cash	0.2		$ 0.2
Foreign currency hedges	3.1		8.2
Foreign currency hedges	3.9		0.4
Assets Held For Sale Fair Value Adjustment - Fair Value Disclosure		(2.5)
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	5.7
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	(2.4)
Long Lived Fixed Assets Held and Used at Fair Value - Fair Value Disclosure		0.5
Long Lived Assets Held and Used Fair Value	3.3
Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	123.9		110.2
Restricted cash	0.2		0.2
Short-term investments	9.8		8.9
Foreign currency hedges	3.1		8.2
Total Assets	150.9		147.7
Foreign currency hedges	3.9		0.4
Total Liabilities	3.9		0.4
Fair Value, Measurement at Net Asset Value [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	13.4		19.4
Short-term investments	0.5		0.8
Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	123.9		110.2
Restricted cash	0.2		0.2
Short-term investments	0.0		0.0
Foreign currency hedges	0.0		0.0
Total Assets	124.1		110.4
Foreign currency hedges	0.0		0.0
Total Liabilities	0.0		0.0
Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	0.0		0.0
Restricted Cash and Cash Equivalents	0.0		0.0
Short-term investments	9.8		8.9
Foreign currency hedges	3.1		8.2
Total Assets	12.9		17.1
Foreign currency hedges	3.9		0.4
Total Liabilities	3.9		0.4
Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	0.0		0.0
Restricted cash	0.0		0.0
Short-term investments	0.0		0.0
Foreign currency hedges	0.0		0.0
Total Assets	0.0		0.0
Foreign currency hedges	0.0		0.0
Total Liabilities	0.0		$ 0.0
Land [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held-for-sale, Not Part of Disposal Group, Other	0.2
Impairment of Long-Lived Assets to be Disposed of	0.2
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0
Repair Business [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Long-Lived Assets to be Disposed of	(0.2)
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	2.7
Assets Held For Sale Carrying Value - Fair Value Disclosure		5.2
Assets and Liabilities Measured at fair value on a recurring basis
Assets Held For Sale Fair Value Adjustment - Fair Value Disclosure		(2.5)
Altavista Bearing Plant [Member] [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	5.7
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	(2.4)
Long Lived Assets Held and Used Fair Value	3.3
Property, Plant and Equipment [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	5.7
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	2.4
Long Lived Fixed Assets Held and Used at Fair Value - Fair Value Disclosure		$ 0.5
Long Lived Assets Held and Used Fair Value	$ 3.3