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Revenues - Schedule of Change In Customer Advances Balance (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenue From Contract With Customer [Abstract]    
Balance at beginning of period $ 9.6 $ 12.7
Cash received in advance of satisfying performance obligation 31.9 26.3
Revenue recognized (28.3) (24.8)
Currency translation 0.1 0.2
Balance at end of period $ 13.3 $ 14.4