Consolidated Statements of Income and Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 8,478,000,000.0	$ 7,730,300,000	$ 6,658,200,000
Cost of sales	(6,387,400,000)	(5,857,300,000)	(5,288,800,000)
Gross profit	2,090,600,000	1,873,000,000.0	1,369,400,000
Selling and administrative expenses	(608,600,000)	(576,800,000)	(539,600,000)
Goodwill impairment	0	0	(55,200,000)
Other expense, net	(61,300,000)	(54,800,000)	(50,700,000)
Income from operations	1,420,700,000	1,241,400,000	723,900,000
Non-operating pension income (expense)	14,500,000	19,700,000	2,300,000
Interest expense, net	(70,400,000)	(152,400,000)	(93,500,000)
Income before taxes	1,364,800,000	1,108,700,000	632,700,000
Provision for income taxes	(335,000,000.0)	(267,600,000)	(171,700,000)
Net income	$ 1,029,800,000	$ 841,100,000	$ 461,000,000.0
Net income per common share:
Basic	$ 11.08	$ 8.87	$ 4.86
Diluted	11.03	8.83	4.84
Dividends declared per common share	$ 4.75	$ 4.00	$ 3.37
Statements of Comprehensive Income:
Net income	$ 1,029,800,000	$ 841,100,000	$ 461,000,000.0
Foreign currency translation adjustment	0	400,000	0
Changes in unrealized (losses) gains on marketable debt securities, net of tax of $0.5 million, $0.2 million, and ($0.1) million for 2022, 2021, and 2020, respectively	(1,700,000)	(500,000)	300,000
Amortization of pension and postretirement plans actuarial loss and prior service cost, net of tax of ($1.5) million, ($3.3) million, and ($3.6) million for 2022, 2021, and 2020, respectively	4,700,000	10,000,000.0	10,700,000
Changes in unfunded employee benefit obligations, net of tax of $10.1 million, ($19.9) million, and ($1.3) million for 2022, 2021, and 2020, respectively	(30,200,000)	59,400,000	4,000,000.0
Net current-period other comprehensive income (loss)	(27,200,000)	69,300,000	15,000,000.0
Comprehensive income	$ 1,002,600,000	$ 910,400,000	$ 476,000,000.0