Contingent Liabilities and Commitments (Table Text Block)

9 Months Ended

Dec. 31, 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 December 31:
2018	$	974	$	16,150	$	9,927	$	27,051
2019		1,024		15,652		3,086		19,762
2020		1,024		15,664		–		16,688
2021		1,028		14,977		–		16,005
2022		1,030		14,779		–		15,809
Thereafter		49,907		23,329		–		73,236
Total	$	54,987	$	100,551	$	13,013	$	168,551