Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Balance at start of period at Dec. 31, 2022	$ 810.1	$ 1.0	$ 1,897.2	$ (43.4)	$ (540.3)	$ (504.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(3.7)					(3.7)
Gain (loss) on derivative financial instruments, net of tax	(0.9)				(0.9)
Translation impact, net of tax	8.9				8.9
Pension and post-retirement adjustment, net of tax	(1.5)				(1.5)
Stock-based compensation	5.6		6.2			(0.6)
Common stock issued, net of shares withheld for employee taxes	(1.7)			(1.7)
Dividends declared	(7.1)					(7.1)
Other	0.1		(0.1)	0.1		0.1
Balance at end of period at Mar. 31, 2023	809.8	$ 1.0	1,903.3	$ (45.0)	(533.8)	(515.7)
Balance at start of period (in shares) at Dec. 31, 2022		98.9		4.6
Increase (Decrease) In Capital Stock [Roll Forward]
Common stock issued, net of shares withheld for employee taxes (in shares)		0.9		0.3
Balance at end of period (in shares) at Mar. 31, 2023		99.8		4.9
Balance at start of period at Dec. 31, 2022	810.1	$ 1.0	1,897.2	$ (43.4)	(540.3)	(504.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	22.7
Gain (loss) on derivative financial instruments, net of tax	(0.3)
Pension and post-retirement adjustment, net of tax	(2.3)
Balance at end of period at Jun. 30, 2023	830.4	$ 1.0	1,906.8	$ (45.0)	(535.7)	(496.7)
Balance at start of period (in shares) at Dec. 31, 2022		98.9		4.6
Balance at end of period (in shares) at Jun. 30, 2023		99.8		4.9
Balance at start of period at Mar. 31, 2023	809.8	$ 1.0	1,903.3	$ (45.0)	(533.8)	(515.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	26.4					26.4
Gain (loss) on derivative financial instruments, net of tax	0.6				0.6
Translation impact, net of tax	(1.7)				(1.7)
Pension and post-retirement adjustment, net of tax	(0.8)				(0.8)
Stock-based compensation	3.3		3.4			(0.1)
Dividends declared	(7.1)					(7.1)
Other	(0.1)		0.1			(0.2)
Balance at end of period at Jun. 30, 2023	830.4	$ 1.0	1,906.8	$ (45.0)	(535.7)	(496.7)
Balance at start of period (in shares) at Mar. 31, 2023		99.8		4.9
Balance at end of period (in shares) at Jun. 30, 2023		99.8		4.9
Balance at start of period at Dec. 31, 2023	787.0	$ 1.0	1,913.4	$ (45.1)	(526.3)	(556.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(6.3)					(6.3)
Gain (loss) on derivative financial instruments, net of tax	0.5				0.5
Translation impact, net of tax	(21.2)				(21.2)
Pension and post-retirement adjustment, net of tax	2.4				2.4
Stock-based compensation	5.1		5.4			(0.3)
Common stock issued, net of shares withheld for employee taxes	(1.9)			(1.9)
Dividends declared	(7.2)					(7.2)
Other	0.1					0.1
Balance at end of period at Mar. 31, 2024	758.5	$ 1.0	1,918.8	$ (47.0)	(544.6)	(569.7)
Balance at start of period (in shares) at Dec. 31, 2023		99.8		4.9
Increase (Decrease) In Capital Stock [Roll Forward]
Common stock issued, net of shares withheld for employee taxes (in shares)		1.1		0.3
Balance at end of period (in shares) at Mar. 31, 2024		100.9		5.2
Balance at start of period at Dec. 31, 2023	787.0	$ 1.0	1,913.4	$ (45.1)	(526.3)	(556.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(131.5)
Gain (loss) on derivative financial instruments, net of tax	0.6
Pension and post-retirement adjustment, net of tax	6.3
Balance at end of period at Jun. 30, 2024	617.1	$ 1.0	1,921.7	$ (47.0)	(555.9)	(702.7)
Balance at start of period (in shares) at Dec. 31, 2023		99.8		4.9
Balance at end of period (in shares) at Jun. 30, 2024		101		5.2
Balance at start of period at Mar. 31, 2024	758.5	$ 1.0	1,918.8	$ (47.0)	(544.6)	(569.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(125.2)					(125.2)
Gain (loss) on derivative financial instruments, net of tax	0.1				0.1
Translation impact, net of tax	(15.3)				(15.3)
Pension and post-retirement adjustment, net of tax	3.9				3.9
Stock-based compensation	2.5		2.9			(0.4)
Dividends declared	(7.1)					(7.1)
Other	(0.3)					(0.3)
Balance at end of period at Jun. 30, 2024	$ 617.1	$ 1.0	$ 1,921.7	$ (47.0)	$ (555.9)	$ (702.7)
Balance at start of period (in shares) at Mar. 31, 2024		100.9		5.2
Increase (Decrease) In Capital Stock [Roll Forward]
Common stock issued, net of shares withheld for employee taxes (in shares)		0.1
Balance at end of period (in shares) at Jun. 30, 2024		101		5.2