Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating activities:
Net income	$ 24.8	$ 27.1
Loss from discontinued operations, net of benefit for income taxes of $0.6 and $0.6	(1.8)	(1.9)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Depreciation and amortization	72.6	74.3
Stock-based compensation expense	4.9	5.3
Provision (benefit) for deferred income taxes	6.4	(6.1)
Gain (Loss) on Sale of Property, Plant and Equipment, Railroad Transportation Equipment	22.0	5.9
Gains on dispositions of property and other assets	(0.9)	(1.7)
Non-cash interest expense	3.0	3.4
Other	(0.8)	(0.4)
Changes in operating assets and liabilities:
(Increase) decrease in receivables	63.0	10.2
(Increase) decrease in income tax receivable	(0.7)	(0.1)
(Increase) decrease in inventories	(14.1)	26.5
(Increase) decrease in other assets	7.5	8.2
Increase (decrease) in accounts payable	3.3	3.5
Increase (decrease) in accrued liabilities	(47.9)	(61.1)
Increase (decrease) in other liabilities	(1.3)	(6.7)
Net cash provided by operating activities – continuing operations	99.6	78.4
Net cash used in operating activities – discontinued operations	(1.8)	(1.9)
Net cash provided by operating activities	97.8	76.5
Investing activities:
Capital expenditures – lease fleet	151.0	120.2
Proceeds From Sale Of Property Subject To Or Available For Operating Lease	83.3	33.7
Capital expenditures – operating and administrative	(6.3)	(9.2)
Proceeds from dispositions of property and other assets	3.8	4.1
Net cash used in investing activities	(70.2)	(91.6)
Financing activities:
Payments to retire debt	(62.2)	(77.3)
Payments to settle contingent consideration liability	0.0	(8.0)
Payments for Repurchase of Common Stock	(7.2)	(8.2)
Dividends paid to common shareholders	(24.8)	(24.6)
Purchase of shares to satisfy employee tax on vested stock	(0.2)	(0.3)
Distributions to noncontrolling interest	(4.2)	(5.8)
Net cash used in financing activities	(98.6)	(124.2)
Net decrease in cash, cash equivalents, and restricted cash	(71.0)	(139.3)
Cash, cash equivalents, and restricted cash at beginning of period	323.6	374.4
Cash, cash equivalents, and restricted cash at end of period	$ 252.6	$ 235.1