Commitments (Table Text Block)

12 Months Ended

Mar. 31, 2018

Table Text Block [Abstract]

Lease Expenses

Lease expenses were as follows:

		Years Ended March 31,
		2018		2017		2016
		(In thousands)
Lease expense	$	33,960	$	37,343	$	49,780

Lease Commitments for Leases having Terms of More than One Year

		Property, Plant and Equipment				Rental Equipment
		Ground		Operating		Operating		Total
		(In thousands)
Year-ended March 31:
2019	$	991	$	17,014	$	9,010	$	27,015
2020		1,024		17,217		1,300		19,541
2021		1,024		16,699		–		17,723
2022		1,030		15,066		–		16,096
2023		1,030		14,693		–		15,723
Thereafter		49,649		20,163		–		69,812
Total	$	54,748	$	100,852	$	10,310	$	165,910