Accounts Receivable - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounts Receivable and Allowance for Doubtful Accounts [Abstract]
Accounts Receivable Gross Current	$ 207.3	$ 213.8
Accounts Receivable Greater Than 90 Days Past Due	13.2	15.2
Business Combination, Acquired Receivables, Estimated Uncollectible	$ 0.0	$ 0.0	$ 0.1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable Additional Narrative Disclosure	Included in exchange rate changes and other adjustments for the year ended December 31, 2018 is a reclassification of $0.3 million to Other assets related to certain customer receivables due greater than a year. There were no similar adjustments in 2017 or 2016. Included in write-offs charged to allowance during the years ended December 31, 2017 and 2016 were outstanding receivables related to certain prior year customer bankruptcies, which the Company previously reserved for, but settled during 2017 and 2016, respectively.