Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Mar. 31, 2026	Dec. 31, 2025
ASSETS
Cash and cash equivalents	$ 132.6	$ 201.3
Receivables, net of allowance	326.1	389.1
Income tax receivable	28.2	27.5
Inventories:
Raw materials and supplies	254.4	243.7
Work in process	130.9	100.8
Finished goods	97.9	124.6
Inventory, Net	483.2	469.1
Restricted cash, including partially-owned subsidiary of $7.6 and $9.9	120.0	122.3
Property, plant, and equipment, at cost, including partially-owned subsidiary of $524.7 and $523.9	9,330.1	9,258.3
Less accumulated depreciation, including partially-owned subsidiary of $208.5 and $205.3	2,687.1	2,637.0
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization	6,643.0	6,621.3
Goodwill	221.5	221.5
Other assets	376.1	372.3
Total assets	8,330.7	8,424.4
Liabilities and Equity [Abstract]
Accounts payable	272.9	269.6
Accrued liabilities	247.2	301.2
Debt:	5,382.3	5,442.5
Deferred income taxes	1,148.0	1,129.0
Other liabilities	134.6	136.8
Total liabilities	$ 7,185.0	$ 7,279.1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Preferred Stock, Shares Authorized	1.5	1.5
Preferred Stock, Shares Subscribed but Unissued	1.5	1.5
Preferred stock – 1.5 shares authorized and unissued	$ 0.0	$ 0.0
Common Stock, Shares Authorized	400.0	400.0
Common stock – 400.0 shares authorized	$ 0.8	$ 0.8
Capital in excess of par value	4.9	0.0
Retained earnings	1,080.6	1,081.5
Accumulated other comprehensive income (loss)	1.0	(4.2)
Treasury stock	(8.5)	(0.9)
Equity, Attributable to Parent, Total	1,078.8	1,077.2
Noncontrolling interest	66.9	68.1
Total stockholders' equity	1,145.7	1,145.3
Total liabilities and stockholders' equity	8,330.7	8,424.4
Recourse
Liabilities and Equity [Abstract]
Debt:	598.6	598.5
Nonrecourse
Liabilities and Equity [Abstract]
Debt:	4,783.7	4,844.0
Wholly-owned subsidiaries | Nonrecourse
Liabilities and Equity [Abstract]
Debt:	4,516.7	4,573.4
Wholly-owned subsidiaries | Nonrecourse | Leasing & Services
Liabilities and Equity [Abstract]
Debt:	4,516.7	4,573.4
Partially-owned subsidiaries | Leasing & Services
Inventories:
Restricted cash, including partially-owned subsidiary of $7.6 and $9.9	7.6	9.9
Property, plant, and equipment, at cost, including partially-owned subsidiary of $524.7 and $523.9	524.7	523.9
Less accumulated depreciation, including partially-owned subsidiary of $208.5 and $205.3	208.5	205.3
Partially-owned subsidiaries | Nonrecourse
Liabilities and Equity [Abstract]
Debt:	267.0	270.6
Partially-owned subsidiaries | Nonrecourse | Leasing & Services
Liabilities and Equity [Abstract]
Debt:	$ 267.0	$ 270.6