Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 126.6	$ 72.9	$ 181.8
Income (loss) from discontinued operations, net of provision (benefit) for income taxes of $(3.6), $(1.1), and $3.5	(13.4)	(20.3)	11.1
Gain (loss) on sale of discontinued operations, net of provision (benefit) for income taxes of $—, $(1.4), and $51.9	0.0	5.7	(131.4)
Depreciation and amortization	293.2	276.4	265.7
Stock-based compensation expense	22.7	22.5	20.7
Provision (benefit) for deferred income taxes	(41.5)	14.7	13.1
Net gains on lease portfolio sales	(82.8)	(126.2)	(54.1)
Gain (Loss) on Disposition of Property, Plant and Equipment, Other	0.5	18.0	20.0
Gains on Insurance Recoveries from Property Damage	6.3	7.5	7.8
Non-cash impact of restructuring activities	(2.2)	0.0	0.0
Non-cash interest expense	12.7	13.2	13.7
Loss on extinguishment of debt	0.0	1.5	11.7
Other	(5.7)	(5.3)	(3.1)
(Increase) decrease in receivables	(22.0)	(92.0)	(64.3)
(Increase) decrease in income tax receivable	0.0	(2.4)	440.4
(Increase) decrease in inventories	(54.9)	(193.4)	(147.7)
(Increase) decrease in other assets	(0.6)	(11.5)	11.4
Increase (decrease) in accounts payable	2.2	78.4	59.2
Increase (decrease) in accrued liabilities	53.2	(37.2)	36.5
Increase (decrease) in other liabilities	1.5	(2.9)	0.9
Net cash provided by operating activities – continuing operations	309.0	9.2	615.6
Net cash used in operating activities – discontinued operations	(13.4)	(22.0)	(3.8)
Net cash provided by (used in) operating activities	295.6	(12.8)	611.8
Proceeds from dispositions of property and other assets	19.9	44.0	40.5
Proceeds From Sale Of Property Subject To Or Available For Operating Lease	381.8	750.7	454.3
Capital expenditures – lease fleet	(668.8)	(928.8)	(547.2)
Capital expenditures – manufacturing and other	(41.3)	(38.0)	(23.6)
Acquisitions, net of cash acquired	(62.2)	(80.4)	(16.6)
Proceeds from insurance recoveries	5.1	10.0	9.5
Payments to Acquire Equity Method Investments	(1.1)	(15.5)
Proceeds from Equity Method Investment, Distribution			0.1
Payments for (Proceeds from) Other Investing Activities	3.6	0.0	0.0
Net cash used in investing activities – continuing operations	(363.0)	(258.0)	(83.0)
Net Cash Provided by (Used in) Investing Activities, Total	(363.0)	(260.7)	276.3
Payments to retire debt	(1,518.9)	(1,578.5)	(2,315.8)
Proceeds from issuance of debt	1,652.7	2,000.6	2,444.1
Shares repurchased	0.0	(51.8)	(833.4)
Dividends paid to common shareholders	(86.0)	(76.9)	(88.5)
Purchase of shares to satisfy employee tax on vested stock	(7.2)	(5.7)	(9.3)
Distributions to noncontrolling interest	32.4	22.3	11.2
Net cash provided by (used in) financing activities	8.2	265.4	(814.1)
Net decrease in cash, cash equivalents, and restricted cash	(59.2)	(8.1)	74.0
Cash, cash equivalents, and restricted cash at beginning of period	294.3	302.4	228.4
Cash, cash equivalents, and restricted cash at end of period	235.1	294.3	302.4
Interest paid	246.2	190.5	178.4
Income tax (payments), net of refunds	(42.4)	(19.3)	435.7
Sale of Highway Products
Income (loss) from discontinued operations, net of provision (benefit) for income taxes of $(3.6), $(1.1), and $3.5	(13.4)	(20.3)	11.9
Gain (loss) on sale of discontinued operations, net of provision (benefit) for income taxes of $—, $(1.4), and $51.9		4.4
Proceeds from (Payments to) related to the Sale of Discontinued Operations, Net of Cash Divested | Sale of Highway Products
Proceeds (Payments) Related to Sale of Discontinued Operations	0.0	(2.7)	364.7
Other Investing Activities
Net cash used in investing activities – discontinued operations	$ 0.0	$ 0.0	$ (5.4)