Consolidated Statements of Stockholders' Deficit - USD ($)	Total	Common Stock Issued	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock at Cost
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)
Beginning balance (in shares) at Dec. 31, 2021						50,500,000
Net income	83,600,000			83,600,000
Dividends, Common Stock, Cash	(33,100,000)			(33,100,000)
Foreign currency translation adjustments	(1,200,000)				(1,200,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(200,000)				(200,000)
Stock-based compensation expense	4,700,000		4,700,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	9,000,000.0				9,000,000.0
Stock Issued During Period, Value, Treasury Stock Reissued	900,000		(1,000,000.0)			$ 1,900,000
Stock Issued During Period, Shares, Treasury Stock Reissued						(100,000)
Treasury Stock, Value, Acquired, Cost Method	(204,900,000)		(27,000,000.0)			$ (177,900,000)
Treasury Stock, Shares, Acquired						700,000
Ending balance at Mar. 31, 2022	(410,200,000)	900,000	1,110,400,000	2,769,800,000	(80,500,000)	$ (4,210,800,000)
Ending balance (in shares) at Mar. 31, 2022						51,100,000
Dividends	0.92
Pension and post-retirement liability changes, tax expense	200,000
Change in cash flow hedges, tax expense	3,100,000
Beginning balance at Dec. 31, 2022	$ (203,100,000)	900,000	1,155,200,000	3,070,600,000	(90,600,000)	$ (4,339,200,000)
Beginning balance (in shares) at Dec. 31, 2022	51,700,260					51,700,000
Net income	$ 98,000,000.0			98,000,000.0
Dividends, Common Stock, Cash	(37,700,000)			(37,700,000)
Foreign currency translation adjustments	6,800,000				6,800,000
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	200,000				200,000
Stock-based compensation expense	6,100,000		6,100,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	5,000,000.0				5,000,000.0
Stock Issued During Period, Value, Treasury Stock Reissued	800,000		(200,000)			$ 1,000,000.0
Treasury Stock, Value, Acquired, Cost Method	(2,000,000.0)					(2,000,000.0)
Ending balance at Mar. 31, 2023	$ (125,900,000)	$ 900,000	$ 1,161,100,000	$ 3,130,900,000	$ (78,600,000)	$ (4,340,200,000)
Ending balance (in shares) at Mar. 31, 2023	51,672,744					51,700,000
Dividends	$ 1.06
Pension and post-retirement liability changes, tax expense	0.0
Change in cash flow hedges, tax expense	$ 1,800,000