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Emergence from the Chapter 11 Cases and Fresh Start Reporting - Treatment of Classified Claims and Interest (Details) - Effect of Plan | Apr. 01, 2017 USD ($) $ / shares
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Second Lien Notes Claims (Classes 2A - 2D) |
Fresh-Start Adjustment [Line Items] |
Cash claims, amount to be recovered | $ 450,000,000
Common stock, par value per share (in dollars per share) | $ / shares | $ 0.01
United Mine Workers of America 1974 Pension Plan Claim (Classes 7A - 7E) |
Fresh-Start Adjustment [Line Items] |
Cash claims, amount to be recovered | $ 75
Cash claims, payment period | 5 years
Unsecured Subordinated Debentures Claims (Class 8A) |
Fresh-Start Adjustment [Line Items] |
Fees and expenses of trustee | $ 350,000
Ceiling of penny warrants exercisable, as percent of common stock | 1.00%
Peabody Energy | General Unsecured Claims |
Fresh-Start Adjustment [Line Items] |
Cash amount from which claimants receive pro rata share | $ 5,000,000
Cash claims, maximum additional amount to be recovered by claimants under plan | $ 2,000,000
Peabody Energy | Convenience Claims, Class 6A |
Fresh-Start Adjustment [Line Items] |
Cash claims, threshold percent | 72.50%
Encumbered Guarantor Debtors | General Unsecured Claims |
Fresh-Start Adjustment [Line Items] |
Cash claims, amount to be recovered | $ 75,000,000
Encumbered Guarantor Debtors | Convenience Claims, Class 6B |
Fresh-Start Adjustment [Line Items] |
Cash claims, threshold percent | 72.50%
Maximum | Peabody Energy | Convenience Claims, Class 6A |
Fresh-Start Adjustment [Line Items] |
Cash claims, amount to be recovered | $ 2,000,000
Maximum | Encumbered Guarantor Debtors | Convenience Claims, Class 6B |
Fresh-Start Adjustment [Line Items] |
Cash claims, amount to be recovered | $ 0

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