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Condensed Consolidating Financial Statements (Balance Sheet) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Current assets: |  |  |  |
Cash and cash equivalents | $ 68.2 | $ 50.2 | $ 38.9 | $ 37.5
Accounts and notes receivable, net | 506.5 | 469.8 |  |
Inventories, net | 484.2 | 418.5 |  |
Other assets | 78.4 | 67.4 |  |
Total current assets | 1,137.3 | 1,005.9 |  |
Property, plant and equipment, net of accumulated depreciation of $774.2 and $717.2 in 2017 and 2016, respectively | 397.8 | 361.4 | 339.6 |
Goodwill | 200.5 | 195.1 | 195.1 |
Investment in subsidiaries | 0.0 | 0.0 |  |
Deferred income taxes | 94.4 | 136.7 |  |
Other assets, net | 61.5 | 61.2 |  |
Intercompany receivables (payables), net | 0.0 | 0.0 |  |
Total assets | 1,891.5 | 1,760.3 | 1,677.4 |
Current Liabilities: |  |  |  |
Short-term debt | 0.9 | 52.4 |  |
Current maturities of long-term debt | 32.6 | 200.1 |  |
Accounts payable | 348.6 | 361.2 |  |
Accrued expenses | 270.3 | 265.9 |  |
Income taxes payable | 2.1 | 9.0 |  |
Total current liabilities | 654.5 | 888.6 |  |
Long-term debt | 970.5 | 615.7 |  |
Post-retirement benefits, other than pensions | 2.6 | 2.8 |  |
Pensions | 84.5 | 87.5 |  |
Other liabilities | 129.3 | 127.7 |  |
Total liabilities | 1,841.4 | 1,722.3 |  |
Commitments and contingencies |  |  |  |
Total stockholders’ equity | 50.1 | 38.0 | 101.6 | 9.0
Total liabilities and stockholders' equity | 1,891.5 | 1,760.3 |  |
Parent [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 1.6 | 1.2 | 0.5 | 1.0
Accounts and notes receivable, net | 0.0 | 0.0 |  |
Inventories, net | 0.0 | 0.0 |  |
Other assets | 16.2 | 12.8 |  |
Total current assets | 17.8 | 14.0 |  |
Property, plant and equipment, net of accumulated depreciation of $774.2 and $717.2 in 2017 and 2016, respectively | 0.0 | 0.0 |  |
Goodwill | 0.0 | 0.0 |  |
Investment in subsidiaries | 1,257.7 | 1,166.9 |  |
Deferred income taxes | 3.9 | 6.8 |  |
Other assets, net | 2.1 | 3.6 |  |
Intercompany receivables (payables), net | (559.3) | (382.4) |  |
Total assets | 722.2 | 808.9 |  |
Current Liabilities: |  |  |  |
Short-term debt | 0.0 | 0.0 |  |
Current maturities of long-term debt | 29.4 | 199.3 |  |
Accounts payable | 21.3 | 18.5 |  |
Accrued expenses | 3.1 | 6.3 |  |
Income taxes payable | (64.5) | (54.0) |  |
Total current liabilities | (10.7) | 170.1 |  |
Long-term debt | 682.8 | 600.9 |  |
Post-retirement benefits, other than pensions | 0.0 | 0.0 |  |
Pensions | 0.0 | 0.0 |  |
Other liabilities | 0.0 | 0.0 |  |
Total liabilities | 672.1 | 771.0 |  |
Commitments and contingencies |  |  |  |
Total stockholders’ equity | 50.1 | 37.9 |  |
Total liabilities and stockholders' equity | 722.2 | 808.9 |  |
Guarantor Subsidiaries [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 28.0 | 17.1 | 7.8 | 11.5
Accounts and notes receivable, net | 35.3 | 30.6 |  |
Inventories, net | 355.7 | 314.7 |  |
Other assets | 23.1 | 48.8 |  |
Total current assets | 442.1 | 411.2 |  |
Property, plant and equipment, net of accumulated depreciation of $774.2 and $717.2 in 2017 and 2016, respectively | 257.6 | 237.6 |  |
Goodwill | 134.9 | 134.9 |  |
Investment in subsidiaries | 365.8 | 524.7 |  |
Deferred income taxes | 69.1 | 113.5 |  |
Other assets, net | 41.3 | 40.0 |  |
Intercompany receivables (payables), net | 554.7 | 375.2 |  |
Total assets | 1,865.5 | 1,837.1 |  |
Current Liabilities: |  |  |  |
Short-term debt | 0.0 | 0.0 |  |
Current maturities of long-term debt | 2.9 | 0.4 |  |
Accounts payable | 228.0 | 248.5 |  |
Accrued expenses | 209.4 | 206.3 |  |
Income taxes payable | 56.5 | 89.8 |  |
Total current liabilities | 496.8 | 545.0 |  |
Long-term debt | 11.7 | 14.5 |  |
Post-retirement benefits, other than pensions | 2.6 | 2.8 |  |
Pensions | 74.7 | 75.5 |  |
Other liabilities | 120.6 | 119.1 |  |
Total liabilities | 706.4 | 756.9 |  |
Commitments and contingencies |  |  |  |
Total stockholders’ equity | 1,159.1 | 1,080.2 |  |
Total liabilities and stockholders' equity | 1,865.5 | 1,837.1 |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 38.6 | 31.9 | 30.6 | 25.0
Accounts and notes receivable, net | 471.2 | 439.2 |  |
Inventories, net | 131.9 | 108.9 |  |
Other assets | 67.5 | 67.5 |  |
Total current assets | 709.2 | 647.5 |  |
Property, plant and equipment, net of accumulated depreciation of $774.2 and $717.2 in 2017 and 2016, respectively | 144.4 | 123.8 |  |
Goodwill | 65.6 | 60.2 |  |
Investment in subsidiaries | (0.6) | (0.5) |  |
Deferred income taxes | 33.6 | 31.1 |  |
Other assets, net | 19.6 | 19.0 |  |
Intercompany receivables (payables), net | 107.4 | 80.4 |  |
Total assets | 1,079.2 | 961.5 |  |
Current Liabilities: |  |  |  |
Short-term debt | 0.9 | 52.4 |  |
Current maturities of long-term debt | 0.3 | 0.4 |  |
Accounts payable | 99.3 | 94.2 |  |
Accrued expenses | 57.8 | 53.3 |  |
Income taxes payable | 60.9 | 52.5 |  |
Total current liabilities | 219.2 | 252.8 |  |
Long-term debt | 276.0 | 0.3 |  |
Post-retirement benefits, other than pensions | 0.0 | 0.0 |  |
Pensions | 9.8 | 12.0 |  |
Other liabilities | 8.7 | 11.1 |  |
Total liabilities | 513.7 | 276.2 |  |
Commitments and contingencies |  |  |  |
Total stockholders’ equity | 565.5 | 685.3 |  |
Total liabilities and stockholders' equity | 1,079.2 | 961.5 |  |
Eliminations [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 0.0 | 0.0 | $ 0.0 | $ 0.0
Accounts and notes receivable, net | 0.0 | 0.0 |  |
Inventories, net | (3.4) | (5.1) |  |
Other assets | (28.4) | (61.7) |  |
Total current assets | (31.8) | (66.8) |  |
Property, plant and equipment, net of accumulated depreciation of $774.2 and $717.2 in 2017 and 2016, respectively | (4.2) | 0.0 |  |
Goodwill | 0.0 | 0.0 |  |
Investment in subsidiaries | (1,622.9) | (1,691.1) |  |
Deferred income taxes | (12.2) | (14.7) |  |
Other assets, net | (1.5) | (1.4) |  |
Intercompany receivables (payables), net | (102.8) | (73.2) |  |
Total assets | (1,775.4) | (1,847.2) |  |
Current Liabilities: |  |  |  |
Short-term debt | 0.0 | 0.0 |  |
Current maturities of long-term debt | 0.0 | 0.0 |  |
Accounts payable | 0.0 | 0.0 |  |
Accrued expenses | 0.0 | 0.0 |  |
Income taxes payable | (50.8) | (79.3) |  |
Total current liabilities | (50.8) | (79.3) |  |
Long-term debt | 0.0 | 0.0 |  |
Post-retirement benefits, other than pensions | 0.0 | 0.0 |  |
Pensions | 0.0 | 0.0 |  |
Other liabilities | 0.0 | (2.5) |  |
Total liabilities | (50.8) | (81.8) |  |
Commitments and contingencies |  |  |  |
Total stockholders’ equity | (1,724.6) | (1,765.4) |  |
Total liabilities and stockholders' equity | $ (1,775.4) | $ (1,847.2) |  |

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