Consolidated Statements of Stockholders' Equity - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock Issued [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock, Common
Beginning balance at Dec. 31, 2022	$ (203,100,000)	$ 106,600,000	$ 900,000	$ 1,155,200,000	$ 3,070,600,000	$ 106,600,000	$ (90,600,000)	$ (4,339,200,000)
Beginning balance, Treasury shares at Dec. 31, 2022								51,700,000
Stockholders' Equity [Roll Forward]
Net income	591,200,000				591,200,000
Dividends	(154,500,000)				(154,500,000)
Foreign currency translation adjustments, net	27,700,000						27,700,000
Pension and postretirement liability changes, net of tax expense (benefit)	2,000,000.0						2,000,000.0
Share of equity method investments other comprehensive income	1,100,000						1,100,000
Stock-based compensation expense	30,100,000			30,100,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	2,900,000						2,900,000
Treasury shares reissued for common stock, shares								(200,000)
Treasury shares reissued for common stock	3,900,000			700,000				$ 4,600,000
Treasury stock purchases, shares								100,000
Treasury stock purchases	(14,900,000)							$ (14,900,000)
Ending balance at Dec. 31, 2023	393,000,000.0		900,000	1,184,600,000	3,613,900,000		(56,900,000)	$ (4,349,500,000)
Ending balance, Treasury shares at Dec. 31, 2023								51,600,000
Stockholders' Equity [Roll Forward]
Net income	811,100,000				811,100,000
Dividends	(162,300,000)				(162,300,000)
Foreign currency translation adjustments, net	(35,600,000)						(35,600,000)
Pension and postretirement liability changes, net of tax expense (benefit)	(1,500,000)						(1,500,000)
Share of equity method investments other comprehensive income	(200,000)
Stock-based compensation expense	28,500,000			28,500,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	500,000						500,000
Treasury shares reissued for common stock, shares								(100,000)
Treasury shares reissued for common stock	4,400,000			(200,000)				$ 4,200,000
Treasury stock purchases, shares								100,000
Treasury stock purchases	(75,800,000)							$ (75,800,000)
Ending balance at Dec. 31, 2024	$ 962,100,000		900,000	1,213,300,000	4,262,700,000		(93,700,000)	$ (4,421,100,000)
Ending balance, Treasury shares at Dec. 31, 2024	51,573,986							51,600,000
Stockholders' Equity [Roll Forward]
Net income	$ 805,800,000				805,800,000
Dividends	(177,400,000)				(177,400,000)
Foreign currency translation adjustments, net	27,100,000						27,100,000
Pension and postretirement liability changes, net of tax expense (benefit)	(1,100,000)						(1,100,000)
Share of equity method investments other comprehensive income	(200,000)						(200,000)
Stock-based compensation expense	28,400,000			28,400,000
Purchase of common stock under Employee Stock Purchase Program	700,000			700,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	19,400,000						19,400,000
Treasury shares reissued for common stock, shares								(100,000)
Treasury shares reissued for common stock	4,100,000			(600,000)				$ 3,500,000
Treasury stock purchases, shares								900,000
Treasury stock purchases	(505,800,000)							$ (505,800,000)
Ending balance at Dec. 31, 2025	$ 1,163,100,000		$ 900,000	$ 1,243,000,000	$ 4,891,100,000		$ (48,500,000)	$ (4,923,400,000)
Ending balance, Treasury shares at Dec. 31, 2025	52,374,147							52,400,000