Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income	$ 643,700,000	$ 609,200,000
Adjustments to reconcile net income to net cash provided by operating activities:
Restructuring charges	0	1,600,000
Income from equity method investments	(5,800,000)	(6,100,000)
Dividends from affiliates	6,100,000	2,500,000
Provision for credit (gains) losses	(1,800,000)	4,600,000
Unrealized losses (gains), net on derivative contracts	2,300,000	(6,700,000)
Stock-based compensation expense	20,800,000	20,100,000
Employee stock purchase plan discount	400,000	0
Depreciation and amortization	79,400,000	69,600,000
Deferred income taxes	22,200,000	(21,500,000)
Pension expense	3,200,000	3,500,000
Pension contributions	(6,100,000)	(9,100,000)
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and notes receivable	(94,700,000)	(229,100,000)
Inventories	(284,200,000)	9,100,000
Other current assets	(7,000,000.0)	0
Accounts payable	(16,700,000)	104,600,000
Accrued expenses	(37,300,000)	31,300,000
Income taxes payable and receivable, net	27,700,000	20,400,000
Leases, net	5,200,000	3,800,000
Other, net	(5,700,000)	8,700,000
Net cash provided by operating activities	351,700,000	613,300,000
Cash flows from investing activities:
Proceeds from the disposal of property, plant and equipment	1,100,000	1,900,000
Purchases of property, plant and equipment	(89,600,000)	(103,400,000)
Net proceeds from previous disposition	0	4,100,000
Acquisitions, net of cash	0	1,800,000
Proceeds from (purchases of) investments and other	900,000	(12,500,000)
Net cash used in investing activities	(87,600,000)	(108,100,000)
Cash flows from financing activities:
Commercial paper borrowings	677,100,000	424,100,000
Commercial paper payments	(520,100,000)	(574,100,000)
Borrowings from debt arrangements	0	156,700,000
Payments on debt arrangements	(14,200,000)	(190,200,000)
Payment of senior unsecured notes	(300,000,000.0)	0
Payments of deferred financing costs	(1,700,000)	0
Proceeds from employee stock purchases	4,000,000.0	3,300,000
Repurchases of common stock	(331,800,000)	(12,900,000)
Repurchases of common stock to satisfy employee withholding tax obligations	(13,300,000)	(15,000,000.0)
Cash dividends paid	(127,400,000)	(119,300,000)
Net cash used in financing activities	(627,400,000)	(327,400,000)
(Decrease) increase in cash and cash equivalents	(363,300,000)	177,800,000
Effect of exchange rates on cash and cash equivalents	1,100,000	4,600,000
Cash and cash equivalents, beginning of period	415,100,000	60,700,000
Cash and cash equivalents, end of period	52,900,000	243,100,000
Supplemental disclosures of cash flow information:
Interest paid	39,700,000	44,700,000
Income taxes paid (net of refunds)	$ 91,500,000	$ 145,500,000