Contingent Liabilities and Commitments (Table Text Block)

6 Months Ended

Sep. 30, 2017

Operating leases, rental equipment [Abstract]

Lease Commitments for Leases having Terms of More than One Year

		Property, Plant and Equipment				Rental Equipment
		Ground		Operating		Operating		Total
		(Unaudited)
		(In thousands)
Year-ended September 30:
2018	$	957	$	16,264	$	10,372	$	27,593
2019		1,024		15,395		5,414		21,833
2020		1,024		15,838		–		16,862
2021		1,027		15,015		–		16,042
2022		1,030		14,903		–		15,933
Thereafter		46,396		26,972		–		73,368
Total	$	51,458	$	104,387	$	15,786	$	171,631