Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	$ 502.7	$ 447.6	$ 494.3
Loss from discontinued operations, net of tax	0.0	13.2	2.3
Loss from sale of discontinued operations, net of tax	0.0	142.6	0.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	258.9	232.8	216.4
Noncash compensation	57.4	62.9	60.6
Noncash income from financial services	(41.5)	(15.1)	(7.7)
Deferred income taxes	(86.8)	(48.9)	15.2
Loss on sale of businesses	0.0	0.0	34.8
Other, net	(0.8)	(0.5)	7.1
Changes in operating assets and liabilities:
Trade receivables	49.0	(122.6)	1.8
Inventories	115.1	(391.1)	(490.1)
Accounts payable	(143.8)	71.7	31.2
Accrued expenses	217.1	131.1	(62.3)
Income taxes payable/receivable	18.6	18.4	(3.8)
Prepaid expenses and other, net	(20.1)	(7.6)	(13.0)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	925.8	534.5	286.8
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0.0	(25.9)	6.9
Net cash provided by operating activities of continuing operations	925.8	508.6	293.7
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment	(412.6)	(306.6)	(282.8)
Investments in finance affiliate	(43.5)	(59.3)	(42.2)
Distributions from finance affiliate	37.0	30.6	60.0
Investments in other affiliates	(20.2)	(26.2)	(23.4)
Acquisitions and disposals of businesses, net of cash acquired	(22.7)	42.2	0.0
Net cash used for investing activities of continuing operations	(462.0)	(319.3)	(288.4)
Net cash used for investing activities of discontinued operations	0.0	(5.3)	(15.5)
Net cash used for investing activities of continuing operations	(462.0)	(324.6)	(303.9)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Borrowings under financing obligations	2,770.0	2,987.5	2,424.3
Repayments under financing obligations	2,928.2	2,729.8	2,073.0
Repurchase and retirement of common shares	(178.6)	(505.0)	(461.6)
Cash dividends to shareholders	(147.3)	(150.0)	(153.4)
Proceeds from stock issuances under employee plans	52.8	34.1	156.1
Net cash used for financing activities	(431.3)	(363.2)	(107.6)
Impact of currency exchange rates on cash balances	10.7	(10.2)	(10.6)
Net increase (decrease) in cash, cash equivalents and restricted cash	43.2	(189.4)	(128.4)
Cash, cash equivalents and restricted cash at beginning of period	339.7	529.1	657.5
Cash, cash equivalents and restricted cash at end of period	382.9	339.7	529.1
Supplemental Cash Flow Information [Abstract]
Interest paid on debt borrowings	120.6	71.2	44.8
Income taxes paid	187.2	194.4	124.4
Cash and cash equivalents	367.8	324.5	502.3
Current assets held for sale	0.0	0.0	6.9
Other long-term assets	15.1	15.2	19.9
Total	$ 382.9	$ 339.7	$ 529.1