Contingent Liabilities and Commitments (Table Text Block)

9 Months Ended

Dec. 31, 2018

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:
2019	$	1,024	$	18,382	$	3,073	$	22,479
2020		1,024		17,801		–		18,825
2021		1,028		15,978		–		17,006
2022		1,030		15,452		–		16,482
2023		1,030		14,846		–		15,876
Thereafter		48,876		9,690		–		58,566
Total	$	54,012	$	92,149	$	3,073	$	149,234