CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2022		69,511,000
Balance at beginning of period at Dec. 31, 2022	$ 476.4	$ 0.1	$ 1,040.6	$ (584.3)	$ 20.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options to purchase common stock (in shares)		110,000
Exercise of options to purchase common stock	6.0		6.0
Stock-based compensation expense	12.1		12.1
Restricted stock units vested, net of shares withheld for taxes (in shares)		73,000
Restricted stock units vested, net of shares withheld for taxes	(11.4)		(11.4)
Net income	23.8			23.8
Other comprehensive loss	(4.1)				(4.1)
Ending balance (in shares) at Mar. 31, 2023		69,694,000
Balance at the end of period at Mar. 31, 2023	$ 502.8	$ 0.1	1,047.3	(560.5)	15.9
Beginning balance (in shares) at Dec. 31, 2023	69,907,289	69,907,000
Balance at beginning of period at Dec. 31, 2023	$ 732.7	$ 0.1	1,102.6	(378.0)	8.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options to purchase common stock (in shares)		55,000
Exercise of options to purchase common stock	5.8		5.8
Stock-based compensation expense	14.2		14.2
Restricted stock units vested, net of shares withheld for taxes (in shares)		58,000
Restricted stock units vested, net of shares withheld for taxes	(5.0)		(5.0)
Net income	51.5			51.5
Other comprehensive loss	$ (8.5)				(8.5)
Ending balance (in shares) at Mar. 31, 2024	70,020,202	70,020,000
Balance at the end of period at Mar. 31, 2024	$ 790.7	$ 0.1	$ 1,117.6	$ (326.5)	$ (0.5)