Consolidated Statements of Operations - USD ($) shares in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenues	$ 1,195,000,000	$ 1,426,800,000	$ 1,500,900,000	$ 1,072,600,000	$ 5,195,300,000	$ 5,341,300,000	$ 4,981,900,000
Cost of goods sold	805,700,000	939,600,000	983,400,000	731,700,000	3,460,500,000	3,563,800,000	3,432,700,000
Gross profit	389,300,000	487,200,000	517,500,000	340,900,000	1,734,800,000	1,777,500,000	1,549,200,000
Operating expenses:
Selling, general and administrative expenses					681,400,000	730,600,000	705,500,000
Losses and other expenses, net					12,000,000.0	12,900,000	8,500,000
Restructuring charges					6,800,000	0	3,100,000
Impairment charges					0	0	63,200,000
(Gain) loss on sale from previous dispositions					900,000	(1,500,000)	14,100,000
Income from equity method investments					(6,000,000.0)	(7,900,000)	(8,500,000)
Operating income	195,800,000	328,800,000	349,000,000.0	168,000,000.0	1,041,500,000	1,040,400,000	791,500,000
Pension settlements					400,000	400,000	800,000
Interest expense, net					40,900,000	38,700,000	51,700,000
Other expense, net					3,400,000	1,900,000	100,000
Income before income taxes	178,700,000	317,400,000	340,000,000.0	160,800,000	996,800,000	999,400,000	738,900,000
Provision for income taxes	36,200,000	57,500,000	66,100,000	31,200,000	191,000,000.0	188,300,000	147,700,000
Net income	$ 142,500,000	$ 259,900,000	$ 273,900,000	$ 129,600,000	$ 805,800,000	$ 811,100,000	$ 591,200,000
Basic Earnings (Loss) per Share (in usd per share)	$ 4.08	$ 7.41	$ 7.75	$ 3.65	$ 22.89	$ 22.78	$ 16.65
Diluted Earnings (Loss) per Share (in usd per share)	$ 4.07	$ 7.38	$ 7.71	$ 3.63	$ 22.79	$ 22.66	$ 16.58
Average shares outstanding:
Basic (in shares)					35.2	35.6	35.5
Diluted (in shares)					35.4	35.8	35.7