v2.3.0.15

Supplemental Balance Sheet Information (Details) (USD $) In Millions | Sep. 30, 2011 | Dec. 31, 2010
--- | --- | ---
Trade Receivables |  |
Billed trade receivables | $ 122.5 | $ 82.5
Unbilled trade receivables - Note 1 | 7.3 | 1.1
Trade receivables, gross | 129.8 | 83.6
Allowance for doubtful receivables | (0.7) | (0.6)
Trade receivables, net | 129.1 | 83.0
Inventories |  |
Finished products | 61.7 | 53.8
Work in process | 60.9 | 49.6
Raw materials | 58.1 | 50.9
Operating supplies and repairs and maintenance parts | 13.9 | 13.2
Total | 194.6 | 167.5
Prepaid Expenses and Other Current Assets |  |
Current derivative assets - Note 11 and 12 | 2.0 | 22.1
Current deferred tax assets | 40.6 | 46.8
Current portion of option premiums paid - Note 11 and 12 | 1.7 | 5.6
Short-term restricted cash | 7.8 | 0.9
Prepaid taxes | 2.7 | 1.3
Prepaid expenses | 4.1 | 3.4
Total | 58.9 | 80.1
Property, Plant and Equipment |  |
Land and improvements | 23.3 | 23.3
Buildings | 45.8 | 43.5
Machinery and equipment | 351.8 | 338.0
Construction in progress | 18.6 | 7.7
Active property, plant and equipment, gross | 439.5 | 412.5
Accumulated depreciation | (81.1) | (63.9)
Active property, plant and equipment, net | 358.4 | 348.6
Idled equipment | 5.4 | 5.5
Property, plant, and equipment, net | 363.8 | 354.1
Other Assets |  |
Derivative assets - Note 11 and 12 | 38.3 | 50.8
Option premiums paid - Note 11 and 12 | 0.2 | 0.6
Restricted cash | 10.5 | 16.3
Long-term income tax receivable | 2.8 | 2.9
Deferred financing costs | 8.3 | 7.7
Available for sale securities | 4.6 | 4.6
Other | 0.1 | 0.1
Total | 64.8 | 83.0
Other Accrued Liabilities |  |
Current derivative liabilities - Note 11 and 12 | 9.1 | 8.9
Current portion of option premiums received - Note 11 and 12 | 1.9 | 7.0
Current portion of income tax liabilities | 1.1 | 1.1
Taxes payable | 2.8 | 1.8
Accrued annual VEBA contribution | 0 | 2.1
Accrued freight | 2.4 | 1.9
Short-term environmental accrual - Note 10 | 1.1 | 1.1
Accrued interest | 4.0 | 2.1
Short-term deferred revenue - Note 1 | 14.1 | 10.8
Other | 4.5 | 5.2
Total | 41.0 | 42.0
Long-term Liabilities |  |
Derivative liabilities - Note 11 and 12 | 49.2 | 62.2
Option premiums received - Note 11 and 12 | 0.2 | 0.3
Income tax liabilities | 11.9 | 12.9
Workers' compensation accruals | 17.0 | 15.9
Long-term environmental accrual - Note 10 | 20.3 | 19.1
Long-term asset retirement obligations | 3.8 | 3.8
Long-term deferred revenue - Note 1 | 6.0 | 13.2
Deferred compensation liability | 4.8 | 4.9
Other long-term liabilities | 2.5 | 2.4
Total | $ 115.7 | $ 134.7

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