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Goodwill and Other Intangible Assets - Intangibles Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Energy [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   $ 1.6
Trademarks and Trade Names [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Inputs, Long-term Revenue Growth Rate   3.00%
Trademarks and Trade Names [Member] | Aerospace [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 38.7  
Fair Value Inputs, Discount Rate 10.30%  
Fair Value Inputs, Long-term Revenue Growth Rate 3.00%  
Trademarks and Trade Names [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Inputs, Discount Rate   14.00%
Trademarks and Trade Names [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair Value Inputs, Discount Rate   17.50%