REVENUE RECOGNITION (Tables)

6 Months Ended

Sep. 30, 2019

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

Total revenue related to third party customers is as follows (in thousands):



	Three Months Ended September 30,				Six Months Ended September 30,
	2019		2018		2019		2018
Revenue:
Operating revenue from non-affiliates	$	290,939	317,369		$	594,672	$	642,725
Operating revenue from affiliates	5,365		3,819		9,840		8,387
Reimbursable revenue from non-affiliates	13,536		15,946		30,136		32,853
Revenue from Contracts with Customers	309,840		337,134		634,648		683,965
Other revenue from non-affiliates	409		4,211		806		17,321
Other revenue from affiliates	7,971		7,998		15,942		14,725
Total Revenue	$	318,220	$	349,343	$	651,396	$	716,011

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, 2020		Fiscal Year Ending March 31,							Total
	Six Months Ending March 31, 2020		2021		2022		2023		2024 and thereafter	Total

Outstanding Service Revenue:
Helicopter contracts	$	249,470	$	240,042	$	186,194	$	176,615	268,028	$	1,120,349
Fixed-wing contracts	1,549		378		—		—		—	1,927
Total remaining performance obligation revenue	$	251,019	$	240,420	$	186,194	$	176,615	268,028	$	1,122,276