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v3.20.2

Condensed Consolidating Financial Information - Balance Sheets (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Cash & cash equivalents | $ 174.1 |  | $ 38.9 |  |  |
Restricted cash | 3.7 |  | 0.8 |  |  |
Accounts receivable - net | 35.9 |  | 70.1 |  |  |
Due from affiliates | 9.8 |  | 30.1 |  |  |
Inventories | 275.0 |  | 320.6 |  |  |
Derivative assets | 18.3 |  | 14.6 |  |  |
Prepaid and other current assets | 14.6 |  | 12.2 |  |  |
Total current assets | 531.4 |  | 487.3 |  |  |
Property, plant and equipment - net | 919.0 |  | 949.2 |  |  |
Investment in subsidiaries | 0.0 |  | 0.0 |  |  |
Due from affiliates - less current portion | 3.9 |  | 0.5 |  |  |
Other assets | 69.7 |  | 62.7 |  |  |
TOTAL | 1,524.0 |  | 1,499.7 |  |  |
Accounts payable, trade | 87.7 |  | 97.1 |  |  |
Due to affiliates | 1.8 |  | 32.9 |  |  |
Accrued and other current liabilities | 76.9 |  | 65.5 |  |  |
Accrued employee benefits costs | 10.4 |  | 10.4 |  |  |
Hawesville term loan | 20.0 |  | 20.0 |  |  |
U.S. revolving credit facility | 45.0 |  | 4.0 |  |  |
Industrial revenue bonds | 7.8 |  | 7.8 |  |  |
Total current liabilities | 249.6 |  | 233.7 |  |  |
Senior notes payable | 249.5 |  | 249.2 |  |  |
Hawesville term loan - less current portion | 10.0 |  | 20.0 |  |  |
Iceland revolving credit facility | 45.0 |  | 0.0 |  |  |
Accrued pension benefits costs - less current portion | 57.7 |  | 60.8 |  |  |
Accrued postretirement benefits costs - less current portion | 99.3 |  | 100.7 |  |  |
Due to affiliates - long term | 0.0 |  | 0.0 |  |  |
Other liabilities | 47.8 |  | 42.4 |  |  |
Leases - right of use liabilities | 21.7 |  | 22.8 |  |  |
Deferred taxes | 94.7 |  | 95.1 |  |  |
Total noncurrent liabilities | 625.7 |  | 591.0 |  |  |
Preferred stock | 0.0 |  | 0.0 |  |  |
Common stock | 1.0 |  | 1.0 |  |  |
Other shareholders' equity | 647.7 |  | 674.0 |  |  |
Total shareholders’ equity | 648.7 | $ 673.8 | 675.0 | $ 709.4 | $ 728.1 | $ 762.2
TOTAL | 1,524.0 |  | 1,499.7 |  |  |
Consolidating Adjustments [Member] |  |  |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Cash & cash equivalents | 0.0 |  | 0.0 |  |  |
Restricted cash | 0.0 |  | 0.0 |  |  |
Accounts receivable - net | 0.0 |  | 0.0 |  |  |
Due from affiliates | 0.0 |  | 0.0 |  |  |
Inventories | 0.0 |  | 0.0 |  |  |
Derivative assets | 0.0 |  | 0.0 |  |  |
Prepaid and other current assets | 0.0 |  | 0.0 |  |  |
Total current assets | 0.0 |  | 0.0 |  |  |
Property, plant and equipment - net | 0.0 |  | 0.0 |  |  |
Investment in subsidiaries | (633.4) |  | (672.2) |  |  |
Due from affiliates - less current portion | (1,337.2) |  | (1,292.0) |  |  |
Other assets | 0.0 |  | 0.0 |  |  |
TOTAL | (1,970.6) |  | (1,964.2) |  |  |
Accounts payable, trade | 0.0 |  | 0.0 |  |  |
Due to affiliates | 0.0 |  | 0.0 |  |  |
Accrued and other current liabilities | 0.0 |  | 0.0 |  |  |
Accrued employee benefits costs | 0.0 |  | 0.0 |  |  |
Hawesville term loan | 0.0 |  | 0.0 |  |  |
U.S. revolving credit facility | 0.0 |  |  |  |  |
Industrial revenue bonds | 0.0 |  | 0.0 |  |  |
Total current liabilities | 0.0 |  | 0.0 |  |  |
Senior notes payable | 0.0 |  | 0.0 |  |  |
Hawesville term loan - less current portion | 0.0 |  | 0.0 |  |  |
Iceland revolving credit facility | 0.0 |  |  |  |  |
Accrued pension benefits costs - less current portion | 0.0 |  | 0.0 |  |  |
Accrued postretirement benefits costs - less current portion | 0.0 |  | 0.0 |  |  |
Due to affiliates - long term | (1,337.2) |  | (1,292.0) |  |  |
Other liabilities | 0.0 |  | 0.0 |  |  |
Leases - right of use liabilities | 0.0 |  | 0.0 |  |  |
Deferred taxes | 0.0 |  | 0.0 |  |  |
Total noncurrent liabilities | (1,337.2) |  | (1,292.0) |  |  |
Preferred stock | 0.0 |  | 0.0 |  |  |
Common stock | 0.0 |  | (0.1) |  |  |
Other shareholders' equity | (633.4) |  | (672.1) |  |  |
Total shareholders’ equity | (633.4) |  | (672.2) |  |  |
TOTAL | (1,970.6) |  | (1,964.2) |  |  |
The Company [Member] | Reportable Legal Entities [Member] |  |  |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Cash & cash equivalents | 103.7 |  | 0.3 |  |  |
Restricted cash | 0.0 |  | 0.0 |  |  |
Accounts receivable - net | 3.6 |  | 0.7 |  |  |
Due from affiliates | 1.9 |  | 0.0 |  |  |
Inventories | 0.0 |  | 0.0 |  |  |
Derivative assets | 18.3 |  | 12.2 |  |  |
Prepaid and other current assets | 4.5 |  | 3.0 |  |  |
Total current assets | 132.0 |  | 16.2 |  |  |
Property, plant and equipment - net | 15.7 |  | 17.2 |  |  |
Investment in subsidiaries | 568.3 |  | 609.5 |  |  |
Due from affiliates - less current portion | 736.2 |  | 749.5 |  |  |
Other assets | 48.1 |  | 38.1 |  |  |
TOTAL | 1,500.3 |  | 1,430.5 |  |  |
Accounts payable, trade | 2.5 |  | 2.3 |  |  |
Due to affiliates | 0.0 |  | 0.0 |  |  |
Accrued and other current liabilities | 26.2 |  | 23.5 |  |  |
Accrued employee benefits costs | 1.9 |  | 1.9 |  |  |
Hawesville term loan | 20.0 |  | 20.0 |  |  |
U.S. revolving credit facility | 45.0 |  |  |  |  |
Industrial revenue bonds | 0.0 |  | 0.0 |  |  |
Total current liabilities | 95.6 |  | 47.7 |  |  |
Senior notes payable | 249.5 |  | 249.2 |  |  |
Hawesville term loan - less current portion | 10.0 |  | 20.0 |  |  |
Iceland revolving credit facility | 0.0 |  |  |  |  |
Accrued pension benefits costs - less current portion | 24.4 |  | 25.1 |  |  |
Accrued postretirement benefits costs - less current portion | 1.0 |  | 1.1 |  |  |
Due to affiliates - long term | 459.5 |  | 403.4 |  |  |
Other liabilities | 6.3 |  | 3.5 |  |  |
Leases - right of use liabilities | 5.3 |  | 5.5 |  |  |
Deferred taxes | 0.0 |  | 0.0 |  |  |
Total noncurrent liabilities | 756.0 |  | 707.8 |  |  |
Preferred stock | 0.0 |  | 0.0 |  |  |
Common stock | 1.0 |  | 1.0 |  |  |
Other shareholders' equity | 647.7 |  | 674.0 |  |  |
Total shareholders’ equity | 648.7 |  | 675.0 |  |  |
TOTAL | 1,500.3 |  | 1,430.5 |  |  |
Combined Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Cash & cash equivalents | 0.2 |  | 0.1 |  |  |
Restricted cash | 1.8 |  | 0.8 |  |  |
Accounts receivable - net | 31.4 |  | 64.1 |  |  |
Due from affiliates | 7.5 |  | 10.9 |  |  |
Inventories | 168.7 |  | 205.5 |  |  |
Derivative assets | 0.0 |  | 0.0 |  |  |
Prepaid and other current assets | 1.0 |  | 2.8 |  |  |
Total current assets | 210.6 |  | 284.2 |  |  |
Property, plant and equipment - net | 327.7 |  | 334.8 |  |  |
Investment in subsidiaries | 65.1 |  | 62.7 |  |  |
Due from affiliates - less current portion | 599.6 |  | 537.9 |  |  |
Other assets | 3.7 |  | 5.7 |  |  |
TOTAL | 1,206.7 |  | 1,225.3 |  |  |
Accounts payable, trade | 62.2 |  | 66.2 |  |  |
Due to affiliates | 1.8 |  | 2.2 |  |  |
Accrued and other current liabilities | 22.6 |  | 27.3 |  |  |
Accrued employee benefits costs | 7.7 |  | 7.7 |  |  |
Hawesville term loan | 0.0 |  | 0.0 |  |  |
U.S. revolving credit facility | 0.0 |  |  |  |  |
Industrial revenue bonds | 7.8 |  | 7.8 |  |  |
Total current liabilities | 102.1 |  | 111.2 |  |  |
Senior notes payable | 0.0 |  | 0.0 |  |  |
Hawesville term loan - less current portion | 0.0 |  | 0.0 |  |  |
Iceland revolving credit facility | 0.0 |  |  |  |  |
Accrued pension benefits costs - less current portion | 26.0 |  | 27.3 |  |  |
Accrued postretirement benefits costs - less current portion | 96.5 |  | 97.8 |  |  |
Due to affiliates - long term | 320.0 |  | 315.9 |  |  |
Other liabilities | 23.9 |  | 22.2 |  |  |
Leases - right of use liabilities | (0.0) |  | 0.4 |  |  |
Deferred taxes | 0.3 |  | 0.4 |  |  |
Total noncurrent liabilities | 466.7 |  | 464.0 |  |  |
Preferred stock | 0.0 |  | 0.0 |  |  |
Common stock | 0.0 |  | 0.0 |  |  |
Other shareholders' equity | 637.9 |  | 650.1 |  |  |
Total shareholders’ equity | 637.9 |  | 650.1 |  |  |
TOTAL | 1,206.7 |  | 1,225.3 |  |  |
Combined Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Cash & cash equivalents | 70.2 |  | 38.5 |  |  |
Restricted cash | 1.9 |  | 0.0 |  |  |
Accounts receivable - net | 0.9 |  | 5.3 |  |  |
Due from affiliates | 0.4 |  | 19.2 |  |  |
Inventories | 106.3 |  | 115.1 |  |  |
Derivative assets | 0.0 |  | 2.4 |  |  |
Prepaid and other current assets | 9.1 |  | 6.4 |  |  |
Total current assets | 188.8 |  | 186.9 |  |  |
Property, plant and equipment - net | 575.6 |  | 597.2 |  |  |
Investment in subsidiaries | 0.0 |  | 0.0 |  |  |
Due from affiliates - less current portion | 5.3 |  | 5.1 |  |  |
Other assets | 17.9 |  | 18.9 |  |  |
TOTAL | 787.6 |  | 808.1 |  |  |
Accounts payable, trade | 23.0 |  | 28.6 |  |  |
Due to affiliates | 0.0 |  | 30.7 |  |  |
Accrued and other current liabilities | 28.1 |  | 14.7 |  |  |
Accrued employee benefits costs | 0.8 |  | 0.8 |  |  |
Hawesville term loan | 0.0 |  | 0.0 |  |  |
U.S. revolving credit facility | 0.0 |  |  |  |  |
Industrial revenue bonds | 0.0 |  | 0.0 |  |  |
Total current liabilities | 51.9 |  | 74.8 |  |  |
Senior notes payable | 0.0 |  | 0.0 |  |  |
Hawesville term loan - less current portion | 0.0 |  | 0.0 |  |  |
Iceland revolving credit facility | 45.0 |  |  |  |  |
Accrued pension benefits costs - less current portion | 7.3 |  | 8.4 |  |  |
Accrued postretirement benefits costs - less current portion | 1.8 |  | 1.8 |  |  |
Due to affiliates - long term | 557.7 |  | 572.7 |  |  |
Other liabilities | 17.6 |  | 16.7 |  |  |
Leases - right of use liabilities | 16.4 |  | 16.9 |  |  |
Deferred taxes | 94.4 |  | 94.7 |  |  |
Total noncurrent liabilities | 740.2 |  | 711.2 |  |  |
Preferred stock | 0.0 |  | 0.0 |  |  |
Common stock | 0.0 |  | 0.1 |  |  |
Other shareholders' equity | (4.5) |  | 22.0 |  |  |
Total shareholders’ equity | (4.5) |  | 22.1 |  |  |
TOTAL | $ 787.6 |  | $ 808.1 |  |  |

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