Debt - Schedule (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Jan. 29, 2014
Debt Instrument [Line Items]
Long-term debt	$ 799.7	$ 822.5
Current portion of long-term debt, net of debt issuance costs	(26.3)	(12.9)
Unamortized debt issuance costs	(10.5)	(11.2)
Non-current portion of debt	762.9	798.4
2.875% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Long-term debt	$ 10.6	10.6
Stated percentage	2.875%		2.875%
Other
Debt Instrument [Line Items]
Long-term debt	$ 3.0	3.0
Senior secured credit agreement - Term loan due 2023
Debt Instrument [Line Items]
Long-term debt	433.1	435.9
Senior secured credit agreement - Revolver loan due 2023
Debt Instrument [Line Items]
Long-term debt	$ 353.0	$ 373.0

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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