REVENUE RECOGNITION (Tables)

6 Months Ended

Sep. 30, 2018

Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]

In accordance with the new revenue standard requirements discussed in Note 1, the disclosure of the impact of adoption on our condensed consolidated financial statements for the three and six months ended September 30, 2018 follows (in thousands):



	Three Months Ended September 30, 2018							Six Months Ended September 30, 2018
	Balances After Adoption		Balances without Adoption		Effect of change			Balances After Adoption		Balances without Adoption		Effect of change
Revenue:
Operating revenue from non-affiliates	$	317,369	$	321,580	$	(4,211	)	$	642,725	$	660,046	$	(17,321	)
Operating revenue from affiliates	5,133		13,131		(7,998		)	10,927		25,652		(14,725		)
Reimbursable revenue from non-affiliates	15,946		15,946		—			32,853		32,853		—
Revenue from Contracts with Customers	338,448		350,657		(12,209		)	686,505		718,551		(32,046		)
Other revenue from non-affiliates	4,211		—		4,211			17,321		—		17,321
Other revenue from affiliates	7,998		—		7,998			14,725		—		14,725
Total Revenue	$	350,657	$	350,657	$	—		$	718,551	$	718,551	$	—

No cumulative effect adjustment to retained earnings was required upon adoption on April 1, 2018.

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

Remaining performance obligations represent firm contracts for which work has not been performed and future revenue recognition is expected. The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period and (2) the expected timing to recognize this revenue (in thousands).



	Remaining Performance Obligations
	Six Months Ending March 31, 2019		Fiscal Year Ending March 31,								Total
	Six Months Ending March 31, 2019		2020		2021		2022		2023 and thereafter		Total

Outstanding Service Revenue:
Helicopter contracts	$	217,866	$	245,032	$	200,077	$	189,496	$	479,896	$	1,332,367
Fixed-wing contracts	2,934		355		—		—		—		3,289
Total remaining performance obligation revenue	$	220,800	$	245,387	$	200,077	$	189,496	$	479,896	$	1,335,656