Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 590.1	$ 497.1	$ 464.0
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of businesses	(14.1)	0.0	0.0
Impairment on net assets held for sale	63.2	0.0	0.0
Income from equity method investments	(8.5)	(5.1)	(11.8)
Dividends from affiliates	0.5	1.7	9.1
Restructuring charges, net of cash paid	2.6	1.0	1.1
Provision for credit losses	9.8	6.9	4.9
Unrealized losses (gains), net on derivative contracts	6.0	1.7	(0.6)
Stock-based compensation expense	30.1	21.8	24.3
Depreciation and amortization	86.0	77.9	72.4
Deferred income taxes	(26.0)	(15.2)	(5.4)
Pension expense	3.2	6.0	11.3
Pension contributions	(15.0)	(22.5)	(1.5)
Other items, net	(0.5)	(1.1)	0.3
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and notes receivable	(32.7)	(112.4)	(68.8)
Inventories	11.1	(249.3)	(71.0)
Other current assets	7.1	(7.3)	(19.2)
Accounts payable	(29.2)	28.2	55.2
Accrued expenses	65.0	13.7	64.2
Income taxes payable and receivable, net	(24.1)	56.4	(26.5)
Leases, net	3.1	1.7	0.2
Other, net	8.5	1.1	13.3
Net Cash Provided by (Used in) Operating Activities, Total	736.2	302.3	515.5
Cash flows from investing activities:
Proceeds from the disposal of property, plant and equipment	2.1	1.6	0.9
Purchases of property, plant and equipment	(250.2)	(101.1)	(106.8)
Acquisition of business	(94.9)	0.0	0.0
Net proceeds from sale of businesses	23.2	0.0	0.0
Proceeds from (purchases of) short-term investments, net	0.1	(3.5)	(0.5)
Net cash used in investing activities	(319.7)	(103.0)	(106.4)
Cash flows from financing activities:
Commercial paper borrowings	150.0	0.0	0.0
Asset securitization borrowings	190.0	407.0	627.0
Asset securitization payments	(540.0)	(307.0)	(377.0)
Long-term debt payments	(364.4)	(12.9)	(12.3)
Issuance of senior unsecured notes	500.0	0.0	0.0
Borrowings from credit facility	1,721.0	2,537.5	1,162.5
Payments on credit facility	(1,893.0)	(2,352.0)	(1,156.0)
Payments of deferred financing costs	(5.4)	0.0	2.4
Proceeds from employee stock purchases	3.9	3.6	3.3
Repurchases of common stock	0.0	(300.0)	(600.0)
Repurchases of common stock to satisfy employee withholding tax obligations	(14.9)	(8.3)	(22.1)
Cash dividends paid	(153.4)	(142.0)	(126.5)
Net cash used in financing activities	(406.2)	(174.1)	(498.7)
Increase (decrease) in cash and cash equivalents	10.3	25.2	(89.6)
Effect of exchange rates on cash and cash equivalents	(2.2)	(3.6)	(3.3)
Cash and cash equivalents, beginning of year	52.6	31.0	123.9
Cash and cash equivalents, end of year	60.7	52.6	31.0
Cash paid during the period for:
Interest paid	50.2	35.4	23.8
Income taxes paid (net of refunds)	197.8	77.2	128.5
Insurance recoveries received	$ 0.0	$ 0.0	$ (6.6)