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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions | Jun. 30, 2020 USD ($) helicopter
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Other Commitments [Line Items] |
Additional helicopters | helicopter | 10
Aircraft |
Other Commitments [Line Items] |
Purchase obligations | $ 81.2
Deposits paid on options not yet exercised | 1.3
Unrecorded unconditional purchase obligation balance sheet amount related to liquidated damage | 2.1
Other Commitments |
Other Commitments [Line Items] |
Purchase obligations | $ 15.0
AW189 Heavy Helicopters |
Other Commitments [Line Items] |
Number of helicopters | helicopter | 3
AW169 Light Twin Helicopters |
Other Commitments [Line Items] |
Number of helicopters | helicopter | 5

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