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Leases (Tables) | 12 Months Ended
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Dec. 31, 2014
Sale Leaseback Transaction [Line Items] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] |
|  | Capital |  | Operating
|  | Leases |  | Leases
Year Ended December 31, |  |  |  |
2015 |  | $ | 11,074 |  |  | $ | 104,232 |
2016 |  | 9,761 |  |  | 94,421 |
2017 |  | 8,774 |  |  | 87,210 |
2018 |  | 8,269 |  |  | 60,705 |
2019 |  | 7,511 |  |  | 25,068 |
Thereafter |  | 13,483 |  |  | 78,954 |
Total minimum lease payments |  | $ | 58,872 |  |  | $ | 450,590 |
Less amount representing interest (1.50% – 7.36%) |  | 11,452 |  |  |
Present value of minimum lease payments |  | 47,420 |  |  |
Less amount due in one year |  | 7,964 |  |  |
Total Long-Term Capital Lease Obligation |  | $ | 39,456 |  |  |
333131 Mining Machinery and Equipment Manufacturing [Member] |
Sale Leaseback Transaction [Line Items] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] |
2015 | 2016 | 2017 | 2018 | 2019 | Thereafter | Total
$ | 26,685 |  |  | $ | 26,685 |  |  | $ | 26,685 |  |  | $ | 26,685 |  |  | $ | 13,343 |  |  | $ | — |  |  | $ | 120,083 |
Discontinued Operations [Member] |
Sale Leaseback Transaction [Line Items] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] |
2015 | 2016 |  | 2017 |  | 2018 |  | 2019 |  | Thereafter |  | Total
$ | 8,561 |  |  | $ | 7,637 |  |  | $ | 4,496 |  |  | $ | 2,992 |  |  | $ | 1,701 |  |  | $ | 627 |  |  | $ | 26,014 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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