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Debt - Schedule of Debt Summarized (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Sep. 25, 2018
Debt Instrument [Line Items]
Debt	$ 760.3
Debt issuance costs	(5.6)	$ (5.9)
Total debt	754.7	542.7
Less: Current debt	(1.9)	(1.9)
Long-term debt	752.8	540.8
Revolving credit facility \| Revolving credit facility - U.S. dollar borrowings
Debt Instrument [Line Items]
Debt	212.0	0.0
Term loan facility \| Term loan facility
Debt Instrument [Line Items]
Debt	197.0	197.5
Senior unsecured notes
Debt Instrument [Line Items]
Discount	6.7	6.9
Senior unsecured notes \| 6.875% senior unsecured notes due October 1, 2026, net of discount of $6.7 million and $6.9 million at March 31, 2020 and December 31, 2019, respectively
Debt Instrument [Line Items]
Debt	$ 343.3	343.1
Interest rate (percent)	6.875%		6.875%
French employee profit sharing
Debt Instrument [Line Items]
Debt	$ 4.6	4.8
Finance lease and capital lease obligations, respectively
Debt Instrument [Line Items]
Finance lease and capital lease obligations, respectively	$ 3.4	$ 3.2