Contingent Liabilities and Commitments (Table Text Block)

12 Months Ended

Dec. 31, 2016

Operating leases, rental equipment [Abstract]

Lease Commitments for Leases having Terms of More than One Year

		Property, Plant and Equipment		Rental Equipment		Total
		(Unaudited)
				(In thousands)
Twelve Months Ended December 31:
2017	$	16,445	$	11,215	$	27,660
2018		14,592		9,968		24,560
2019		15,063		3,099		18,162
2020		15,543		–		15,543
2021		15,315		–		15,315
Thereafter		41,320		–		41,320
Total	$	118,278	$	24,282	$	142,560