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Accounts Payable and Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounts Payable and Accrued Liabilities [Abstract] |
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] | Components of accounts payable and accrued liabilities follow (in millions):
| December 31,
| 2018 |  | 2017
Trade payables | $ | 3.9 |  |  | $ | 6.3 |
Compensation and employee benefits | 21.0 |  |  | 17.4 |
Postretirement health and life benefit obligations - current | 15.4 |  |  | 14.7 |
Severance | 4.1 |  |  | 3.9 |
Lease turnover obligations | 1.6 |  |  | 1.8 |
Accrued interest on 8% PIK Toggle Notes | 0.6 |  |  | 0.2 |
Other accrued liabilities | 5.8 |  |  | 3.9 |
Total accounts payable and accrued liabilities | $ | 52.4 |  |  | $ | 48.2 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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