XML 85 R73.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value (Details Textual) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2016
Jun. 30, 2016
Jul. 14, 2017
Jun. 30, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets Held For Sale Carrying Value - Fair Value Disclosure   $ 0.2      
Impairment of Long-Lived Assets to be Disposed of   0.2      
Assets Held-for-sale, Long Lived, Fair Value Disclosure   0.0      
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure   5.7      
Impairment of Long-Lived Assets Held-for-use   2.4      
Long Lived Assets Held and Used Fair Value   3.3      
Long-term Debt, Fair Value   541.7     $ 532.2
Long-term Fixed-rate Debt, Carrying Value   507.6     507.3
Altavista Bearing Plant [Member] [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets Held-for-sale, Long Lived, Fair Value Disclosure $ 3.3        
Long Lived Fixed Assets Held and Used at Carrying Value - Fair Value Disclosure 5.7 5.7      
Impairment of Long-Lived Assets Held-for-use 2.4 2.4      
Deferred Gain on Sale of Property     $ 1.6    
Long Lived Assets Held and Used Fair Value   3.3      
Land [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets Held For Sale Carrying Value - Fair Value Disclosure 0.2 0.2      
Impairment of Long-Lived Assets to be Disposed of   0.2      
Assets Held-for-sale, Long Lived, Fair Value Disclosure 0.0 $ 0.0      
Impairment of Long-Lived Assets Held-for-use $ 0.2        
Fair Value, Measurements, Recurring [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Assets, Fair Value Disclosure, Recurring       $ 468.4 $ 173.1