XML 58 R45.htm IDEA: XBRL DOCUMENT v3.7.0.1
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Definite-Lived Intangible Assets [Roll Forward]      
Beginning Balance $ 65.6    
Amortization (1.4) $ (1.3)  
Ending Balance 64.2    
Accumulated Amortization 10.7   $ 9.3
Estimated Annual Amortization Expense for Definite-Lived Intangible Assets [Abstract]      
Remainder of 2017 4.1    
2018 5.1    
2019 4.8    
2020 4.5    
2021 4.4    
Thereafter 41.3    
Intangible Assets [Abstract]      
Total Intangible Assets 80.8   $ 82.2
Total Intangible Assets, Amortization $ (1.4) $ (1.3)  
Weighted Average [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Remaining Useful Life (Years) 20 years    
Trademarks and Trade Names [Member]      
Indefinite-Lived Intangible Assets [Roll Forward]      
Beginning Balance $ 16.6    
Ending Balance 16.6    
Customer Relationships [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Beginning Balance 59.3    
Amortization (1.1)    
Ending Balance $ 58.2    
Remaining Useful Life (Years) 21 years    
Intangible Assets [Abstract]      
Total Intangible Assets, Amortization $ (1.1)    
Developed Technology and Other [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Beginning Balance [1] 6.3    
Amortization [1] (0.3)    
Ending Balance [1] 6.0    
Intangible Assets [Abstract]      
Total Intangible Assets, Amortization [1] $ (0.3)    
Developed Technology and Other [Member] | Minimum [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Remaining Useful Life (Years) 2 years    
Developed Technology and Other [Member] | Maximum [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Remaining Useful Life (Years) 12 years    
Developed Technology and Other [Member] | Weighted Average [Member]      
Definite-Lived Intangible Assets [Roll Forward]      
Remaining Useful Life (Years) 8 years    
[1] Developed Technology and Other includes patents, non-compete agreements and land easements.