Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 786.0	$ 887.9
Short-term marketable securities	84.9	75.0
Receivables, net of allowance for doubtful accounts of $11.1 and $4.5	369.9	405.3
Income tax receivable	94.9	58.6
Inventories:
Raw materials and supplies	478.6	585.4
Work in process	222.8	298.2
Finished goods	241.7	184.8
Inventory, net	943.1	1,068.4
Restricted cash, including partially-owned subsidiaries of $89.9 and $91.9	195.8	234.7
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $2,078.9 and $2,073.6	7,145.4	6,586.0
Less accumulated depreciation, including partially-owned subsidiaries of $412.5 and $356.2	(1,797.4)	(1,683.1)
Property, plant, and equipment, net	5,348.0	4,902.9
Goodwill	753.8	773.2
Other assets	309.5	289.3
Total assets	8,885.9	8,695.3
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	216.8	295.4
Accrued liabilities	529.6	709.6
Debt:
Recourse, net of unamortized discount of $44.2 and $60.0	836.7	823.6
Non-recourse debt	2,358.7	2,690.9
Total debt	3,195.4	3,514.5
Deferred income	27.1	36.4
Deferred income taxes	752.2	632.6
Other liabilities	116.1	109.4
Total liabilities	4,837.2	5,297.9
Stockholders’ equity:
Preferred stock – 1.5 shares authorized and unissued	0.0	0.0
Common stock – shares authorized at December 31, 2015 - 400.0; at December 31, 2014 - 200.0; shares issued and outstanding at December 31, 2015 – 152.9; at December 31, 2014 – 155.7	1.5	155.7
Capital in excess of par value	548.5	463.2
Retained earnings	3,220.3	2,489.9
Accumulated other comprehensive loss	(115.4)	(111.9)
Treasury stock – shares at December 31, 2015 – 0.1; at December 31, 2014 – 0.1	(1.0)	(1.0)
Total stockholders' equity	3,653.9	2,995.9
Noncontrolling interest	394.8	401.5
Total stockholders' equity, including portion attributable to noncontrolling interest	4,048.7	3,397.4
Total liabilities and stockholders' equity	8,885.9	8,695.3
Wholly-owned subsidiaries
Debt:
Non-recourse debt	928.7	1,194.0
Partially-owned subsidiaries
Inventories:
Restricted cash, including partially-owned subsidiaries of $89.9 and $91.9	89.9	91.9
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $2,078.9 and $2,073.6	2,078.9	2,073.6
Less accumulated depreciation, including partially-owned subsidiaries of $412.5 and $356.2	(412.5)	(356.2)
Debt:
Non-recourse debt	$ 1,430.0	$ 1,496.9