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Other Non-Current Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Other Assets Noncurrent Disclosure [Abstract]    
Cash surrender value of company-owned life insurance policies $ 52.7 $ 51.6
Fair value of derivative assets 7.6  
Other 4.6 5.4
Total other non-current assets $ 64.9 $ 57.0