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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Taxes |
Schedule of components of (loss) income before income taxes |
|  | Year Ended December 31, |  | Three Months Ended December 31, |  | Year Ended September 30, |
|  | 2015 |  | 2014 |  | 2014 |  | 2013 |
(Loss) income before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | (36,230,000 | ) | $ | (6,249,000 | ) | $ | (11,671,000 | ) | $ | 23,019,000 |
Foreign |  |  | (3,804,000 | ) |  | (654,000 | ) |  | (6,229,000 | ) |  | (3,449,000 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total |  | $ | (40,034,000 | ) | $ | (6,903,000 | ) | $ | (17,900,000 | ) | $ | 19,570,000 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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Schedule of income tax (benefit) expense |
|  | Year Ended December 31, |  | Three Months Ended December 31, |  | Year Ended September 30, |
|  | 2015 |  | 2014 |  | 2014 |  | 2013 |
Current federal benefit (expense) |  | $ | 280,000 |  |  | — |  | $ | 74,000 |  | $ | (124,000 | )
Current state expense |  |  | (571,000 | ) | $ | (39,000 | ) |  | (633,000 | ) |  | (693,000 | )
Current foreign expense |  |  | — |  |  | — |  |  | (228,000 | ) |  | — |
Deferred foreign benefit (expense) |  |  | 687,000 |  |  | — |  |  | — |  |  | — |
Deferred federal benefit (expense) |  |  | 12,499,000 |  |  | 1,783,000 |  |  | 5,489,000 |  |  | (6,251,000 | )
Deferred state benefit (expense) |  |  | 860,000 |  |  | 168,000 |  |  | 578,000 |  |  | (2,022,000 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total |  | $ | 13,755,000 |  | $ | 1,912,000 |  | $ | 5,280,000 |  | $ | (9,090,000 | )
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Schedule of the difference between the income tax provision and the amount computed by applying the statutory federal income tax rate to (losses) income before income taxes |
|  | Year Ended December 31, |  | Three Months Ended December 31, |  | Year Ended September 30, |
|  | 2015 |  | 2014 |  | 2014 |  | 2013 |
Tax benefit (expense) computed at statutory rate of 35% |  | $ | 14,012,000 |  | $ | 2,416,000 |  | $ | 6,265,000 |  | $ | (6,850,000 | )
Change in valuation allowance |  |  | (502,000 | ) |  | (170,000 | ) |  | (1,506,000 | ) |  | (1,265,000 | )
State income tax benefit (expense), net of federal tax |  |  | 423,000 |  |  | 83,000 |  |  | (32,000 | ) |  | (1,486,000 | )
Foreign losses |  |  | 954,000 |  |  | 170,000 |  |  | 1,506,000 |  |  | 987,000 |
Transaction costs |  |  | (445,000 | ) |  | (522,000 | ) |  | (332,000 | ) |  | — |
Other |  |  | (687,000 | ) |  | (65,000 | ) |  | (621,000 | ) |  | (476,000 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income tax benefit (expense) |  | $ | 13,755,000 |  | $ | 1,912,000 |  | $ | 5,280,000 |  | $ | (9,090,000 | )
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Schedule of the principal components of the Company's net deferred tax liability |
|  | December 31, 2015 |  | September 30, 2014 |
Deferred tax assets: |  |  |  |  |  |  |
Federal tax net operating loss (NOL) carryforward |  | $ | 23,002,000 |  | $ | 11,205,000 |
Foreign tax NOL carryforward |  |  | 3,694,000 |  |  | 2,441,000 |
Deferred revenue |  |  | 1,193,000 |  |  | 297,000 |
Restricted stock |  |  | 214,000 |  |  | 756,000 |
Workers' compensation |  |  | 144,000 |  |  | 148,000 |
State tax NOL carryforward |  |  | 850,000 |  |  | 792,000 |
Self-insurance |  |  | 260,000 |  |  | 286,000 |
Canadian start-up costs |  |  | 296,000 |  |  | 337,000 |
AMT credit carry forward |  |  | 315,000 |  |  | 312,000 |
Foreign tax credit |  |  | 1,874,000 |  |  | 228,000 |
Other comprehensive income |  |  | 1,055,000 |  |  | 128,000 |
Unrecognized tax benefits |  |  | 562,000 |  |  | — |
Other |  |  | (91,000 | ) |  | 209,000 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total gross deferred tax assets |  |  | 33,368,000 |  |  | 17,139,000 |
Less valuation allowance |  |  | (3,707,000 | ) |  | (2,771,000 | )
Total net deferred tax assets |  |  | 29,661,000 |  |  | 14,368,000 |
Deferred tax liabilities: |  |  |  |  |  |  |
Property and equipment |  |  | (34,980,000 | ) |  | (42,199,000 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total net deferred tax liability |  | $ | (5,319,000 | ) | $ | (27,831,000 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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