Condensed Consolidated Statements of Changes in Stockholders’ Equity - USD ($) $ in Millions	Total	Common stock	Treasury shares	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2022		60,571,556
Beginning balance at Dec. 31, 2022	$ 459.4	$ 85.3	$ (8.8)	$ 76.4	$ 319.0	$ (12.5)
Increase (Decrease) in Stockholders' Equity
Net income	42.3				42.3
Other comprehensive loss, net of tax	(10.5)					(10.5)
Dividends	(1.3)				(1.3)
Repurchases of Common stock (in shares)		(1,286,915)
Repurchases of Common stock	(29.3)		(29.3)
Share based compensation	2.1			2.1
Issuance of stock under equity compensation plans (in shares)		131,550
Issuance of stock under equity compensation plans	(1.7)		2.9	(4.6)
Ending balance (in shares) at Mar. 31, 2023		59,416,191
Ending balance at Mar. 31, 2023	461.0	$ 85.3	(35.2)	73.9	360.0	(23.0)
Beginning balance (in shares) at Dec. 31, 2022		60,571,556
Beginning balance at Dec. 31, 2022	459.4	$ 85.3	(8.8)	76.4	319.0	(12.5)
Increase (Decrease) in Stockholders' Equity
Net income	98.6
Other comprehensive loss, net of tax	(18.1)
Ending balance (in shares) at Sep. 30, 2023		58,208,136
Ending balance at Sep. 30, 2023	482.9	$ 85.3	(63.4)	78.9	412.7	(30.6)
Beginning balance (in shares) at Mar. 31, 2023		59,416,191
Beginning balance at Mar. 31, 2023	461.0	$ 85.3	(35.2)	73.9	360.0	(23.0)
Increase (Decrease) in Stockholders' Equity
Net income	30.1				30.1
Other comprehensive loss, net of tax	(7.1)					(7.1)
Dividends	(2.4)				(2.4)
Repurchases of Common stock (in shares)		(822,595)
Repurchases of Common stock	(20.2)		(20.2)
Share based compensation	2.6			2.6
Issuance of stock under equity compensation plans (in shares)		47,250
Issuance of stock under equity compensation plans	0.2		1.4	(1.2)
Ending balance (in shares) at Jun. 30, 2023		58,640,846
Ending balance at Jun. 30, 2023	464.2	$ 85.3	(54.0)	75.3	387.7	(30.1)
Increase (Decrease) in Stockholders' Equity
Net income	26.2				26.2
Other comprehensive loss, net of tax	(0.5)					(0.5)
Dividends	(1.2)				(1.2)
Repurchases of Common stock (in shares)		(432,710)
Repurchases of Common stock	(9.4)		(9.4)
Share based compensation	3.6			3.6
Ending balance (in shares) at Sep. 30, 2023		58,208,136
Ending balance at Sep. 30, 2023	$ 482.9	$ 85.3	(63.4)	78.9	412.7	(30.6)
Beginning balance (in shares) at Dec. 31, 2023	57,898,772	57,898,772
Beginning balance at Dec. 31, 2023	$ 478.5	$ 85.3	(70.1)	85.6	417.6	(39.9)
Increase (Decrease) in Stockholders' Equity
Net income	26.7				26.7
Other comprehensive loss, net of tax	(6.8)					(6.8)
Dividends	(1.2)				(1.2)
Repurchases of Common stock (in shares)		(294,000)
Repurchases of Common stock	(6.8)		(6.8)
Share based compensation	3.5			3.5
Issuance of stock under equity compensation plans (in shares)		703,161
Issuance of stock under equity compensation plans	(1.7)		13.4	(15.1)
Ending balance (in shares) at Mar. 31, 2024		58,307,933
Ending balance at Mar. 31, 2024	$ 492.2	$ 85.3	(63.5)	74.0	443.1	(46.7)
Beginning balance (in shares) at Dec. 31, 2023	57,898,772	57,898,772
Beginning balance at Dec. 31, 2023	$ 478.5	$ 85.3	(70.1)	85.6	417.6	(39.9)
Increase (Decrease) in Stockholders' Equity
Net income	27.0
Other comprehensive loss, net of tax	$ (16.1)
Ending balance (in shares) at Sep. 30, 2024	57,720,219	57,720,219
Ending balance at Sep. 30, 2024	$ 476.3	$ 85.3	(73.8)	81.0	439.8	(56.0)
Beginning balance (in shares) at Mar. 31, 2024		58,307,933
Beginning balance at Mar. 31, 2024	492.2	$ 85.3	(63.5)	74.0	443.1	(46.7)
Increase (Decrease) in Stockholders' Equity
Net income	20.5				20.5
Other comprehensive loss, net of tax	(9.4)					(9.4)
Dividends	(2.4)				(2.4)
Share based compensation	3.0			3.0
Issuance of stock under equity compensation plans (in shares)		48,688
Issuance of stock under equity compensation plans	0.0		0.8	(0.8)
Ending balance (in shares) at Jun. 30, 2024		58,356,621
Ending balance at Jun. 30, 2024	503.9	$ 85.3	(62.7)	76.2	461.2	(56.1)
Increase (Decrease) in Stockholders' Equity
Net income	(20.2)				(20.2)
Other comprehensive loss, net of tax	0.1					0.1
Dividends	(1.2)				(1.2)
Repurchases of Common stock (in shares)		(636,402)
Repurchases of Common stock	(11.1)		(11.1)
Share based compensation	$ 4.8			4.8
Ending balance (in shares) at Sep. 30, 2024	57,720,219	57,720,219
Ending balance at Sep. 30, 2024	$ 476.3	$ 85.3	$ (73.8)	$ 81.0	$ 439.8	$ (56.0)