Fair Value (Details Textual) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held For Sale Carrying Value - Fair Value Disclosure	$ 5.8
Long Lived Assets Held and Used Fair Value Adjustment - Fair Value Disclosure	(0.3)
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	0.8
Long-term Debt, Fair Value	538.8	$ 558.6
Assets Held-for-sale, Long Lived, Fair Value Disclosure	2.8
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	(3.0)
Long-term Fixed-rate Debt, Carrying Value	520.1	$ 521.4
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	5.8
Assets Held-for-sale, Long Lived, Fair Value Disclosure	2.8
Assets Held For Sale Fair Value Adjustment - Fair Value Disclosure	(3.0)
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 - Fair Value Disclosure	(0.3)
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure	0.8
Long Lived Fixed Assets Held and Used at Fair Value - Fair Value Disclosure	$ 0.5