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Guarantor and Non-Guarantor Financial Statements, Balance Sheets (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Current assets: |  |  |  |  |
Cash and cash equivalents |  | $ 70.7 | $ 72.5 | $ 220.9 | $ 177.7
Short-term investments |  | 10.0 | 30.0 |  |
Receivables: |  |  |  |  |
Trade receivables – net |  | 138.8 | 116.7 |  |
Intercompany receivables |  | 0.0 | 0.0 |  |
Other |  | 8.6 | 6.1 |  |
Inventories |  | 210.6 | 219.6 |  |
Prepaid expenses and other current assets1 | [1] | 9.1 | 56.7 |  |
Total current assets |  | 447.8 | 501.6 |  |
Investments in and advances to subsidiaries |  | 0.0 | 0.0 |  |
Property, plant and equipment – net |  | 504.5 | 495.4 |  |
Long-term intercompany receivables |  | 0.0 | 0.0 |  |
Deferred tax assets – net | [1],[2] | 197.5 | 163.3 |  |
Intangible assets – net |  | 30.1 | 30.5 |  |
Goodwill |  | 37.2 | 37.2 |  |
Other assets1 | [1] | 19.5 | 19.6 |  |
Total |  | 1,236.6 | 1,247.6 |  |
Current liabilities: |  |  |  |  |
Accounts payable |  | 70.2 | 76.7 |  |
Intercompany payable |  | 0.0 | 0.0 |  |
Accrued salaries, wages and related expenses |  | 33.9 | 39.8 |  |
Other accrued liabilities |  | 56.5 | 52.7 |  |
Short-term capital leases |  | 0.1 | 0.1 |  |
Total current liabilities |  | 160.7 | 169.3 |  |
Net liabilities of Salaried VEBA |  | 18.7 | 19.0 |  |
Deferred tax liabilities |  | 2.1 | 2.1 |  |
Long-term intercompany payable |  | 0.0 | 0.0 |  |
Long-term liabilities |  | 72.5 | 87.5 |  |
Long-term debt1 | [1] | 194.8 | 194.6 |  |
Total liabilities |  | 448.8 | 472.5 |  |
Total stockholders' equity |  | 787.8 | 775.1 |  |
Total |  | 1,236.6 | 1,247.6 |  |
Parent |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents |  | 0.0 | 0.0 | 0.0 | 0.0
Short-term investments |  | 0.0 | 0.0 |  |
Receivables: |  |  |  |  |
Trade receivables – net |  | 0.0 | 0.0 |  |
Intercompany receivables |  | 93.6 | 0.0 |  |
Other |  | 0.0 | 0.0 |  |
Inventories |  | 0.0 | 0.0 |  |
Prepaid expenses and other current assets1 |  | 0.1 | 0.2 |  |
Total current assets |  | 93.7 | 0.2 |  |
Investments in and advances to subsidiaries |  | 912.8 | 1,077.2 |  |
Property, plant and equipment – net |  | 0.0 | 0.0 |  |
Long-term intercompany receivables |  | 0.0 | 0.0 |  |
Deferred tax assets – net |  | 0.0 | 0.0 |  |
Intangible assets – net |  | 0.0 | 0.0 |  |
Goodwill |  | 0.0 | 0.0 |  |
Other assets1 |  | 0.0 | 0.0 |  |
Total |  | 1,006.5 | 1,077.4 |  |
Current liabilities: |  |  |  |  |
Accounts payable |  | 0.6 | 0.5 |  |
Intercompany payable |  | 17.9 | 106.5 |  |
Accrued salaries, wages and related expenses |  | 0.0 | 0.0 |  |
Other accrued liabilities |  | 5.4 | 1.4 |  |
Short-term capital leases |  | 0.0 | 0.0 |  |
Total current liabilities |  | 23.9 | 108.4 |  |
Net liabilities of Salaried VEBA |  | 0.0 | 0.0 |  |
Deferred tax liabilities |  | 0.0 | 0.0 |  |
Long-term intercompany payable |  | 0.0 | 0.0 |  |
Long-term liabilities |  | 0.0 | 0.0 |  |
Long-term debt1 |  | 194.8 | 194.6 |  |
Total liabilities |  | 218.7 | 303.0 |  |
Total stockholders' equity |  | 787.8 | 774.4 |  |
Total |  | 1,006.5 | 1,077.4 |  |
Guarantor Subsidiaries |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents |  | 69.1 | 72.2 | 218.9 | 175.3
Short-term investments |  | 10.0 | 30.0 |  |
Receivables: |  |  |  |  |
Trade receivables – net |  | 134.0 | 114.0 |  |
Intercompany receivables |  | 23.1 | 111.2 |  |
Other |  | 5.9 | 3.8 |  |
Inventories |  | 208.3 | 216.3 |  |
Prepaid expenses and other current assets1 |  | 8.5 | 56.2 |  |
Total current assets |  | 458.9 | 603.7 |  |
Investments in and advances to subsidiaries |  | 32.0 | 31.4 |  |
Property, plant and equipment – net |  | 473.1 | 464.3 |  |
Long-term intercompany receivables |  | 0.0 | 0.0 |  |
Deferred tax assets – net |  | 190.5 | 156.3 |  |
Intangible assets – net |  | 30.1 | 30.5 |  |
Goodwill |  | 37.2 | 37.2 |  |
Other assets1 |  | 19.4 | 19.5 |  |
Total |  | 1,241.2 | 1,342.9 |  |
Current liabilities: |  |  |  |  |
Accounts payable |  | 64.6 | 73.6 |  |
Intercompany payable |  | 99.3 | 14.8 |  |
Accrued salaries, wages and related expenses |  | 32.4 | 38.3 |  |
Other accrued liabilities |  | 51.3 | 52.3 |  |
Short-term capital leases |  | 0.1 | 0.1 |  |
Total current liabilities |  | 247.7 | 179.1 |  |
Net liabilities of Salaried VEBA |  | 18.7 | 19.0 |  |
Deferred tax liabilities |  | 0.0 | 0.0 |  |
Long-term intercompany payable |  | 3.9 | 3.1 |  |
Long-term liabilities |  | 66.2 | 81.3 |  |
Long-term debt1 |  | 0.0 | 0.0 |  |
Total liabilities |  | 336.5 | 282.5 |  |
Total stockholders' equity |  | 904.7 | 1,060.4 |  |
Total |  | 1,241.2 | 1,342.9 |  |
Non-Guarantor Subsidiaries |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents |  | 1.6 | 0.3 | 2.0 | 2.4
Short-term investments |  | 0.0 | 0.0 |  |
Receivables: |  |  |  |  |
Trade receivables – net |  | 4.8 | 2.7 |  |
Intercompany receivables |  | 1.3 | 1.1 |  |
Other |  | 2.7 | 2.3 |  |
Inventories |  | 5.8 | 6.6 |  |
Prepaid expenses and other current assets1 |  | 0.8 | 1.7 |  |
Total current assets |  | 17.0 | 14.7 |  |
Investments in and advances to subsidiaries |  | 0.0 | 0.0 |  |
Property, plant and equipment – net |  | 31.4 | 31.1 |  |
Long-term intercompany receivables |  | 3.9 | 3.1 |  |
Deferred tax assets – net |  | 0.0 | 0.0 |  |
Intangible assets – net |  | 0.0 | 0.0 |  |
Goodwill |  | 0.0 | 0.0 |  |
Other assets1 |  | 0.1 | 0.1 |  |
Total |  | 52.4 | 49.0 |  |
Current liabilities: |  |  |  |  |
Accounts payable |  | 5.0 | 2.6 |  |
Intercompany payable |  | 4.5 | 4.0 |  |
Accrued salaries, wages and related expenses |  | 1.5 | 1.5 |  |
Other accrued liabilities |  | 0.2 | 0.4 |  |
Short-term capital leases |  | 0.0 | 0.0 |  |
Total current liabilities |  | 11.2 | 8.5 |  |
Net liabilities of Salaried VEBA |  | 0.0 | 0.0 |  |
Deferred tax liabilities |  | 2.1 | 2.1 |  |
Long-term intercompany payable |  | 0.0 | 0.0 |  |
Long-term liabilities |  | 6.3 | 6.2 |  |
Long-term debt1 |  | 0.0 | 0.0 |  |
Total liabilities |  | 19.6 | 16.8 |  |
Total stockholders' equity |  | 32.8 | 32.2 |  |
Total |  | 52.4 | 49.0 |  |
Consolidating Adjustments |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents |  | 0.0 | 0.0 | $ 0.0 | $ 0.0
Short-term investments |  | 0.0 | 0.0 |  |
Receivables: |  |  |  |  |
Trade receivables – net |  | 0.0 | 0.0 |  |
Intercompany receivables |  | (118.0) | (112.3) |  |
Other |  | 0.0 | 0.0 |  |
Inventories |  | (3.5) | (3.3) |  |
Prepaid expenses and other current assets1 |  | (0.3) | (1.4) |  |
Total current assets |  | (121.8) | (117.0) |  |
Investments in and advances to subsidiaries |  | (944.8) | (1,108.6) |  |
Property, plant and equipment – net |  | 0.0 | 0.0 |  |
Long-term intercompany receivables |  | (3.9) | (3.1) |  |
Deferred tax assets – net |  | 7.0 | 7.0 |  |
Intangible assets – net |  | 0.0 | 0.0 |  |
Goodwill |  | 0.0 | 0.0 |  |
Other assets1 |  | 0.0 | 0.0 |  |
Total |  | (1,063.5) | (1,221.7) |  |
Current liabilities: |  |  |  |  |
Accounts payable |  | 0.0 | 0.0 |  |
Intercompany payable |  | (121.7) | (125.3) |  |
Accrued salaries, wages and related expenses |  | 0.0 | 0.0 |  |
Other accrued liabilities |  | (0.4) | (1.4) |  |
Short-term capital leases |  | 0.0 | 0.0 |  |
Total current liabilities |  | (122.1) | (126.7) |  |
Net liabilities of Salaried VEBA |  | 0.0 | 0.0 |  |
Deferred tax liabilities |  | 0.0 | 0.0 |  |
Long-term intercompany payable |  | (3.9) | (3.1) |  |
Long-term liabilities |  | 0.0 | 0.0 |  |
Long-term debt1 |  | 0.0 | 0.0 |  |
Total liabilities |  | (126.0) | (129.8) |  |
Total stockholders' equity |  | (937.5) | (1,091.9) |  |
Total |  | $ (1,063.5) | $ (1,221.7) |  |
[1] | See Note 1 for discussion of our adoption of ASU 2015-03, ASU 2015-15 and ASU 2015-17 (as defined in Note 1).
[2] | See Note 4 and Note 6 for discussion of our adoption of ASU 2016-09 (as defined in Note 1).

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