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, 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]
Net loss	(142.7)
Ending balance (in shares) at Jun. 30, 2022		61,867,577
Ending balance at Jun. 30, 2022	849.1	$ 0.0	1,582.5	(704.6)	(28.8)
Beginning balance (in shares) at Mar. 31, 2022		61,758,739
Beginning balance at Mar. 31, 2022	912.7	$ 0.0	1,568.2	(636.7)	(18.8)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options and distribution of restricted stock units (in shares)		108,838
Exercise of stock options and distribution of restricted stock units	0.4		0.4
Stock-based compensation	13.9		13.9
Net loss	(67.9)			(67.9)
Other comprehensive income (loss)	(10.0)				(10.0)
Ending balance (in shares) at Jun. 30, 2022		61,867,577
Ending balance at Jun. 30, 2022	$ 849.1	$ 0.0	1,582.5	(704.6)	(28.8)
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
Ending balance at Mar. 31, 2023	$ 821.8	$ 0.0	1,769.6	(925.5)	(22.3)
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]
Net loss	$ (133.0)
Ending balance (in shares) at Jun. 30, 2023	69,668,176	69,668,176
Ending balance at Jun. 30, 2023	$ 771.0	$ 0.0	1,784.7	(992.7)	(21.0)
Beginning balance (in shares) at Mar. 31, 2023		69,449,348
Beginning balance at Mar. 31, 2023	821.8	$ 0.0	1,769.6	(925.5)	(22.3)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options and distribution of restricted stock units (in shares)		218,828
Exercise of stock options and distribution of restricted stock units	0.3		0.3
Stock-based compensation	14.8		14.8
Net loss	(67.2)			(67.2)
Other comprehensive income (loss)	$ 1.3				1.3
Ending balance (in shares) at Jun. 30, 2023	69,668,176	69,668,176
Ending balance at Jun. 30, 2023	$ 771.0	$ 0.0	$ 1,784.7	$ (992.7)	$ (21.0)