Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consisted of the following on a cost basis, net of reserves:

	December 31,
(in thousands)	2016		2015
Finished goods and parts	$	116,667	$	129,995
Work in process	9,431		9,561
Raw materials	9,662		11,202
	$	135,760	$	150,758