NATURE OF OPERATIONS AND ACCOUNTING POLICIES Schedule of Inventory Allowance (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at beginning of period | $ 21,575 | $ 12,650 | $ 806 |
| Balance at end of period | 34,967 | 21,575 | 12,650 |
| Inventory Valuation Reserve | |||
| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at beginning of period | 4,012 | 4,821 | 5,091 |
| Foreign currency adjustments | (273) | (809) | (270) |
| Balance at end of period | 3,739 | $ 4,012 | $ 4,821 |
| H225 Helicopters | Inventory Valuation Reserve | |||
| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Foreign currency adjustments | $ 119 | ||
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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