Fair Value (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 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	$ 5.8
Impairment of Long-Lived Assets to be Disposed of	(0.2)	(3.0)
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	2.8
Assets and Liabilities Measured at fair value on a recurring basis
Restricted cash	0.2		$ 0.2
Foreign currency hedges	4.3		8.2
Foreign currency hedges	3.4		0.4
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	5.7	0.8
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	(2.4)	(0.3)
Long Lived Assets Held and Used Fair Value	3.3	0.5
Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at fair value on a recurring basis
Cash and cash equivalents	120.8		110.2
Restricted cash	0.2		0.2
Short-term investments	8.7		8.9
Foreign currency hedges	4.3		8.2
Total Assets	169.6		147.7
Foreign currency hedges	3.4		0.4
Total Liabilities	3.4		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	35.1		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	120.8		110.2
Restricted cash	0.2		0.2
Short-term investments	0.0		0.0
Foreign currency hedges	0.0		0.0
Total Assets	121.0		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	8.7		8.9
Foreign currency hedges	4.3		8.2
Total Assets	13.0		17.1
Foreign currency hedges	3.4		0.4
Total Liabilities	3.4		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	5.8
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	3.0
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	2.8
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	0.8
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	2.4	0.3
Long Lived Assets Held and Used Fair Value	$ 3.3	$ 0.5