Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 120.8	$ 166.2
Receivables, net of allowance	219.9	260.1
Income tax receivable	485.0	14.7
Inventories:
Raw materials and supplies	196.0	263.4
Work in process	79.2	108.8
Finished goods	97.9	61.2
Inventory, Net	373.1	433.4
Restricted cash, including partially-owned subsidiaries of $28.1 and $33.0	101.1	111.4
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,929.5 and $2,065.3	9,153.9	9,272.5
Less accumulated depreciation, including partially-owned subsidiaries of $513.9 and $527.7	2,216.0	2,161.9
Property, Plant and Equipment, Net	6,937.9	7,110.6
Goodwill	208.8	208.8
Other assets	276.6	396.2
Total assets	8,723.2	8,701.4
Liabilities and Equity [Abstract]
Accounts payable	178.9	203.9
Accrued liabilities	333.8	342.1
Debt:
Recourse	523.1	522.8
Total debt	4,935.1	4,881.9
Deferred income taxes	1,040.6	798.3
Other liabilities	141.2	96.3
Total liabilities	$ 6,629.6	$ 6,322.5
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	$ 1.2	$ 1.2
Capital in excess of par value	5.3	0.0
Retained earnings	2,066.8	2,182.9
Accumulated other comprehensive loss	(164.5)	(153.1)
Treasury stock	(91.5)	(0.9)
Total Equity	1,817.3	2,030.1
Noncontrolling interest	276.3	348.8
Total stockholders' equity	2,093.6	2,378.9
Total liabilities and stockholders' equity	8,723.2	8,701.4
Partially-owned subsidiaries
Inventories:
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,929.5 and $2,065.3	1,929.5	2,065.3
Less accumulated depreciation, including partially-owned subsidiaries of $513.9 and $527.7	513.9	527.7
Debt:
Non-Recourse Debt	1,239.3	1,278.4
Wholly-owned subsidiaries
Debt:
Non-Recourse Debt	$ 3,172.7	$ 3,080.7