CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2021		61,660,996
Beginning balance at Dec. 31, 2021	$ 988.2	$ 0.0	$ 1,553.5	$ (561.9)	$ (3.4)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options and distribution of restricted stock units (in shares)		97,743
Exercise of stock options and distribution of restricted stock units	0.6		0.6
Stock-based compensation	14.1		14.1
Net loss	(74.8)			(74.8)
Other comprehensive income (loss)	(15.4)				(15.4)
Ending balance (in shares) at Mar. 31, 2022		61,758,739
Ending balance at Mar. 31, 2022	$ 912.7	$ 0.0	1,568.2	(636.7)	(18.8)
Beginning balance (in shares) at Dec. 31, 2022	69,275,030	69,275,030
Beginning balance at Dec. 31, 2022	$ 866.8	$ 0.0	1,754.1	(859.7)	(27.6)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options and distribution of restricted stock units (in shares)		174,318
Exercise of stock options and distribution of restricted stock units	0.1		0.1
Stock-based compensation	15.4		15.4
Net loss	(65.8)			(65.8)
Other comprehensive income (loss)	$ 5.3				5.3
Ending balance (in shares) at Mar. 31, 2023	69,449,348	69,449,348
Ending balance at Mar. 31, 2023	$ 821.8	$ 0.0	$ 1,769.6	$ (925.5)	$ (22.3)