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Vectren Fuels Acquisition (Schedule of Business Acquisition) (Details) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014
Use of proceeds from new debt facility: |  |
Cash |  | $ 350,000
Deferred financing costs |  | (6,884)
Vectren Fuels [Member] |  |
Assets received: |  |
Accounts receivable | 25,109 | 25,109
Advance royalties | 685 | 685
Prepaid expense | 909 | 909
Land and mineral rights | 103,577 | 103,577
Building and equipment | 174,180 | 174,180
Total assets received | 339,120 | 339,120
Liabilities assumed: |  |
Accounts payable and accrued liabilities | 12,808 | 12,808
Asset retirement obligations | 6,550 | 6,550
Total liabilities assumed | 19,358 | 19,358
Total consideration paid | 319,762 | 319,762
Use of proceeds from new debt facility: |  |
Cash |  | 1,805
Consideration paid for VFI | (320,000) | 319,762
Deferred financing costs |  | 6,163
Payments on bank debt |  | 16,149
Closing expenses |  | 6,121
Total |  | 350,000
Vectren Fuels [Member] | Coal [Member] |  |
Assets received: |  |
Inventory | 21,484 | 21,484
Vectren Fuels [Member] | Replacement Parts [Member] |  |
Assets received: |  |
Inventory | $ 13,176 | $ 13,176

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