CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 220.9	$ (10.6)	$ 54.4
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment, net of (provision for) benefit from taxes of $5.4, $(3.0) and $(3.9) for the years ended December 31, 2021, 2020 and 2019, respectively	(42.8)	63.0	17.4
Derivative hedging adjustment, net of (provision for) benefit from taxes of $(2.7), $1.6 and $(1.6) for the years ended December 31, 2021, 2020 and 2019, respectively	10.0	(5.2)	3.6
Debt and equity securities adjustment, net of (provision for) benefit from taxes of $0.0, $0.0 and $0.0 for the years ended December 31, 2021, 2020 and 2019, respectively	(1.2)	(1.4)	1.8
Pension liability adjustment:
Net gain (loss), net of (provision for) benefit from taxes of $(1.6), $1.7 and $1.9 for the years ended December 31, 2021, 2020 and 2019, respectively	10.6	(6.3)	(7.8)
Amortization of actuarial (gain) loss, net of provision for (benefit from) taxes of $(0.3), $(0.4) and $(0.6) for the years ended December 31, 2021, 2020 and 2019, respectively	2.0	1.3	1.9
Divestiture of business, net of provision for (benefit from) taxes of $0.0, $0.0 and $(5.3) for the years ended December 31, 2021, 2020 and 2019, respectively	0.0	0.0	12.6
Foreign exchange and other effects, net of (provision for) benefit from taxes of $0.1, $(0.6) and $(0.7) for the years ended December 31, 2021, 2020 and 2019, respectively	1.3	(2.3)	(2.2)
Total pension liability adjustment	13.9	(7.3)	4.5
Other comprehensive income (loss)	(20.1)	49.1	27.3
Comprehensive income (loss)	$ 200.8	$ 38.5	$ 81.7