Consolidated Statements of Stockholders' Deficit - USD ($)	Total	Common Stock Issued	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock at Cost
Treasury stock, shares						48,800,000
Beginning balance at Dec. 31, 2020	$ (17,100,000)	$ 900,000	$ 1,113,200,000	$ 2,385,800,000	$ (97,200,000)	$ (3,419,800,000)
Net income	380,400,000			380,400,000
Dividends, Common Stock, Cash	(97,100,000)			(97,100,000)
Foreign currency translation adjustments	(5,100,000)				(5,100,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(3,800,000)				(3,800,000)
Stock-based compensation expense	16,800,000		16,800,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	4,700,000				4,700,000
Stock Issued During Period, Value, Treasury Stock Reissued	2,500,000		(2,500,000)			$ 5,000,000.0
Stock Issued During Period, Shares, Treasury Stock Reissued						(100,000)
Treasury Stock, Shares, Acquired						(1,900,000)
Treasury Stock, Value, Acquired, Cost Method	(616,100,000)					$ (616,100,000)
Ending balance at Sep. 30, 2021	(334,800,000)	900,000	1,127,500,000	2,669,100,000	(101,400,000)	$ (4,030,900,000)
Dividends	2.61
Change in cash flow hedges, tax expense	900,000
Pension and post-retirement liability changes, tax expense	3,800,000
Treasury stock, shares						50,000,000.0
Beginning balance at Jun. 30, 2021	(213,300,000)	900,000	1,128,900,000	2,576,600,000	(93,100,000)	$ (3,826,600,000)
Net income	126,300,000			126,300,000
Dividends, Common Stock, Cash	(33,800,000)			(33,800,000)
Foreign currency translation adjustments	(6,700,000)				(6,700,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(400,000)				(400,000)
Stock-based compensation expense	(600,000)		(600,000)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(1,200,000)				(1,200,000)
Stock Issued During Period, Value, Treasury Stock Reissued	800,000		(800,000)			$ 1,600,000
Stock Issued During Period, Shares, Treasury Stock Reissued						600,000
Treasury Stock, Value, Acquired, Cost Method	(205,900,000)					$ (205,900,000)
Ending balance at Sep. 30, 2021	(334,800,000)	900,000	1,127,500,000	2,669,100,000	(101,400,000)	$ (4,030,900,000)
Dividends	0.92
Change in cash flow hedges, tax expense	200,000
Pension and post-retirement liability changes, tax expense	$ 600,000
Treasury stock, shares						50,600,000
Treasury stock, shares	50,536,125					50,500,000
Beginning balance at Dec. 31, 2021	$ (269,000,000.0)	900,000	1,133,700,000	2,719,300,000	(88,100,000)	$ (4,034,800,000)
Net income	402,700,000			402,700,000
Dividends, Common Stock, Cash	(108,100,000)			(108,100,000)
Foreign currency translation adjustments	(20,700,000)				(20,700,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	500,000				500,000
Share of equity method investments other comprehensive income	700,000				700,000
Stock-based compensation expense	16,400,000		16,400,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(24,900,000)				(24,900,000)
Stock Issued During Period, Value, Treasury Stock Reissued	2,700,000		300,000			$ 2,400,000
Stock Issued During Period, Shares, Treasury Stock Reissued						(100,000)
Treasury Stock, Shares, Acquired						(1,300,000)
Treasury Stock, Value, Acquired, Cost Method	(305,500,000)					$ (305,500,000)
Ending balance at Sep. 30, 2022	(305,200,000)	900,000	1,150,400,000	3,013,900,000	(132,500,000)	$ (4,337,900,000)
Dividends	3.04
Change in cash flow hedges, tax expense	7,300,000
Pension and post-retirement liability changes, tax expense	700,000
Treasury stock, shares						51,700,000
Beginning balance at Jun. 30, 2022	(401,300,000)	900,000	1,144,000,000	2,909,500,000	(117,900,000)	$ (4,337,800,000)
Net income	141,900,000			141,900,000
Dividends, Common Stock, Cash	(37,500,000)			(37,500,000)
Foreign currency translation adjustments	(11,600,000)				(11,600,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	500,000				500,000
Stock-based compensation expense	5,800,000		5,800,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(3,500,000)				(3,500,000)
Stock Issued During Period, Value, Treasury Stock Reissued	900,000		600,000			300,000
Treasury Stock, Value, Acquired, Cost Method	(400,000)					(400,000)
Ending balance at Sep. 30, 2022	(305,200,000)	$ 900,000	$ 1,150,400,000	$ 3,013,900,000	$ (132,500,000)	$ (4,337,900,000)
Dividends	1.06
Change in cash flow hedges, tax expense	1,200,000
Pension and post-retirement liability changes, tax expense	$ 200,000
Treasury stock, shares	51,735,764					51,700,000
Stock repurchase program, authorized amount	$ 4,000,000,000