Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Jun. 30, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 49.7	$ 167.3
Receivables, net of allowance	270.2	227.6
Income tax receivable	8.5	5.4
Inventories:
Raw materials and supplies	433.2	278.4
Work in process	151.5	91.6
Finished goods	46.0	62.9
Inventory, Net	630.7	432.9
Restricted cash, including partially-owned subsidiaries of $77.4 and $58.6	256.8	135.1
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,909.9 and $1,927.7	9,278.2	9,105.6
Less accumulated depreciation, including partially-owned subsidiaries of $581.3 and $568.4	2,334.1	2,258.7
Property, Plant and Equipment, Net	6,944.1	6,846.9
Goodwill	159.2	154.2
Other assets	305.6	266.5
Total assets	8,624.8	8,235.9
Liabilities and Equity [Abstract]
Accounts payable	285.4	206.4
Accrued liabilities	283.9	307.4
Debt:
Recourse	518.9	398.7
Non-Recourse Debt	5,020.2	4,771.9
Total debt	5,539.1	5,170.6
Deferred income taxes	1,115.3	1,106.8
Other liabilities	144.9	147.9
Total liabilities	$ 7,368.6	$ 6,939.1
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	0.0	0.0
Retained earnings	991.1	1,046.6
Accumulated other comprehensive income (loss)	6.4	(17.0)
Treasury stock	(0.7)	(0.6)
Total Equity	997.6	1,029.8
Noncontrolling interest	258.6	267.0
Total stockholders' equity	1,256.2	1,296.8
Total liabilities and stockholders' equity	8,624.8	8,235.9
Partially-owned subsidiaries
Inventories:
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,909.9 and $1,927.7	1,909.9	1,927.7
Less accumulated depreciation, including partially-owned subsidiaries of $581.3 and $568.4	581.3	568.4
Debt:
Non-Recourse Debt	1,206.6	1,216.1
Wholly-owned subsidiaries
Debt:
Non-Recourse Debt	$ 3,813.6	$ 3,555.8