Consolidated Statements of Shareholders’ Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2021		63.7
Beginning balance at Dec. 31, 2021	$ 3,129.7	$ 6.4	$ 1,790.7	$ 1,734.2	$ (401.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Loss	(158.5)			(158.5)
Other Comprehensive Income (Loss), Net of Tax	$ (107.8)				(107.8)
Dividends paid to shareholders per share (in dollars per share)	$ 0.62
Cash Dividends and Dividend Equivalents to Shareholders	$ (40.2)			(40.2)
Shares Issued Under Employee Stock Purchase Plan (Note 14)		$ 0.0	2.5
Shares Issued Under Employee Stock Purchase Plan (Note 14)	2.5
Equity-based Compensation Cost	20.2		20.2
Equity-based Awards, Net of Shares Exchanged (in shares)		0.1
Equity-based Awards, Net of Shares Exchanged	(1.8)	$ 0.0	(0.9)	(0.9)
Ending balance (in shares) at Jun. 30, 2022		63.8
Ending balance at Jun. 30, 2022	2,844.1	$ 6.4	1,812.5	1,534.6	(509.4)
Beginning balance (in shares) at Mar. 31, 2022		63.8
Beginning balance at Mar. 31, 2022	2,969.2	$ 6.4	1,803.1	1,627.5	(467.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Loss	(72.2)			(72.2)
Other Comprehensive Income (Loss), Net of Tax	$ (41.6)				(41.6)
Dividends paid to shareholders per share (in dollars per share)	$ 0.31
Cash Dividends and Dividend Equivalents to Shareholders	$ (20.6)			(20.6)
Shares Issued Under Employee Stock Purchase Plan (Note 14)		$ 0.0	1.2
Shares Issued Under Employee Stock Purchase Plan (Note 14)	1.2
Equity-based Compensation Cost	8.3		8.3
Equity-based Awards, Net of Shares Exchanged (in shares)		0.0
Equity-based Awards, Net of Shares Exchanged	(0.2)	$ 0.0	(0.1)	(0.1)
Ending balance (in shares) at Jun. 30, 2022		63.8
Ending balance at Jun. 30, 2022	2,844.1	$ 6.4	1,812.5	1,534.6	(509.4)
Beginning balance (in shares) at Dec. 31, 2022		63.9
Beginning balance at Dec. 31, 2022	2,670.6	$ 6.4	1,812.7	1,366.4	(514.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Loss	(177.2)			(177.2)
Other Comprehensive Income (Loss), Net of Tax	$ 34.1				34.1
Dividends paid to shareholders per share (in dollars per share)	$ 0.62
Cash Dividends and Dividend Equivalents to Shareholders	$ (39.6)			(39.6)
Shares Issued Under Employee Stock Purchase Plan (Note 14)		$ 0.0	2.2
Shares Issued Under Employee Stock Purchase Plan (Note 14)	2.2
Equity-based Compensation Cost	22.7		22.7
Equity-based Awards, Net of Shares Exchanged (in shares)		0.1
Equity-based Awards, Net of Shares Exchanged	(0.6)	$ 0.0	0.0	(0.6)
Ending balance (in shares) at Jun. 30, 2023		64.0
Ending balance at Jun. 30, 2023	2,512.2	$ 6.4	1,837.6	1,149.0	(480.8)
Beginning balance (in shares) at Mar. 31, 2023		64.0
Beginning balance at Mar. 31, 2023	2,646.9	$ 6.4	1,828.9	1,266.3	(454.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Loss	(97.1)			(97.1)
Other Comprehensive Income (Loss), Net of Tax	$ (26.1)				(26.1)
Dividends paid to shareholders per share (in dollars per share)	$ 0.31
Cash Dividends and Dividend Equivalents to Shareholders	$ (20.2)			(20.2)
Shares Issued Under Employee Stock Purchase Plan (Note 14)		$ 0.0	1.2
Shares Issued Under Employee Stock Purchase Plan (Note 14)	1.2
Equity-based Compensation Cost	7.1		7.1
Equity-based Awards, Net of Shares Exchanged (in shares)		0.0
Equity-based Awards, Net of Shares Exchanged	0.4	$ 0.0	0.4	0.0
Ending balance (in shares) at Jun. 30, 2023		64.0
Ending balance at Jun. 30, 2023	$ 2,512.2	$ 6.4	$ 1,837.6	$ 1,149.0	$ (480.8)