Fair Value (Details Textual) - 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]
Long Lived Assets Held and Used Fair Value	$ 3.3
Assets Held For Sale Carrying Value - Fair Value Disclosure		$ 5.2
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure		(0.2)
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure		0.7
Long-term Debt, Fair Value	549.6		$ 521.5
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	2.7
Long Lived Fixed Assets Held and Used at Fair Value - Fair Value Disclosure		0.5
Assets Held For Sale Fair Value Adjustment - Fair Value Disclosure		(2.5)
Long-term Fixed-rate Debt, Carrying Value	519.6		520.4
Impairment of Long-Lived Assets to be Disposed of	0.2
Impairment of Long-Lived Assets Held-for-use	2.4
Land [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0
Impairment of Long-Lived Assets to be Disposed of	0.2
Repair Business [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held For Sale Carrying Value - Fair Value Disclosure		5.2
Assets Held-for-sale, Long Lived, Fair Value Disclosure	0.0	2.7
Assets Held For Sale Fair Value Adjustment - Fair Value Disclosure		(2.5)
Impairment of Long-Lived Assets to be Disposed of	(0.2)
Altavista Bearing Plant [Member] [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Fair Value	3.3
Impairment of Long-Lived Assets Held-for-use	2.4
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	3.3
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure		(0.2)
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure		0.7
Long Lived Fixed Assets Held and Used at Fair Value - Fair Value Disclosure		$ 0.5
Impairment of Long-Lived Assets Held-for-use	(2.4)
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	$ 150.9		$ 147.7