CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non- controlling Interests
Balance, beginning of period at Dec. 31, 2022	$ 2,458.1	$ 1.2	$ 3,484.2	$ 3,868.5	$ (458.7)	$ (4,447.9)	$ 10.8
Balance, beginning of period (in shares) at Dec. 31, 2022		118,028,009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) earnings	88.8			88.8
Other comprehensive income (loss)	(7.3)				(7.3)
Issuances under equity plans	(8.4)		2.0			(10.4)
Issuances under equity plans (in shares)		359,632
Share-based compensation expense	28.7		28.7
Dividends	(144.3)			(144.3)
Repurchases of common stock	(181.5)					(181.5)
Balance, end of period at Dec. 31, 2023	2,234.1	$ 1.2	3,514.9	3,813.0	(466.0)	(4,639.8)	10.8
Balance, end of period (in shares) at Dec. 31, 2023		118,387,641
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) earnings	145.1			145.1
Other comprehensive income (loss)	23.0				23.0
Issuances under equity plans	(9.7)		1.0			(10.7)
Issuances under equity plans (in shares)		465,979
Share-based compensation expense	27.3		27.3
Dividends	(145.8)			(145.8)
Repurchases of common stock	(140.9)					(140.9)
Noncontrolling interest transactions	(6.2)		2.9				(9.1)
Balance, end of period at Dec. 31, 2024	2,126.9	$ 1.2	3,546.1	3,812.3	(443.0)	(4,791.4)	1.7
Balance, end of period (in shares) at Dec. 31, 2024		118,853,620
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) earnings	(13.3)			(13.3)
Other comprehensive income (loss)	30.9				30.9
Issuances under equity plans	(6.1)		0.7			(5.4)
Issuances under equity plans (in shares)		308,160
Share-based compensation expense	26.3		26.3
Dividends	(66.7)			(66.7)
Repurchases of common stock	(37.5)					(37.5)
Noncontrolling interest transactions	(0.2)		0.8				(1.0)
Balance, end of period at Dec. 31, 2025	$ 2,060.3	$ 1.2	$ 3,572.5	$ 3,732.3	$ (412.1)	$ (4,834.3)	$ 0.7
Balance, end of period (in shares) at Dec. 31, 2025		119,161,780