Contingent Liabilities and Commitments (Table Text Block)

3 Months Ended

Jun. 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 June 30:
2018	$	957	$	16,616	$	10,808	$	28,381
2019		1,008		15,235		7,315		23,558
2020		1,024		15,873		429		17,326
2021		1,025		15,216		–		16,241
2022		1,030		14,963		–		15,993
Thereafter		46,653		30,640		–		77,293
Total	$	51,697	$	108,543	$	18,552	$	178,792