Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Inventories [Abstract]

Inventories

Inventories consist of the following:

	March 31, 2016		December 31, 2015
Raw materials and parts	$	149,471	$	141,967
Work-in-process		132,305		113,859
Finished goods		82,419		104,879
Used equipment		25,309		24,071
Total	$	389,504	$	384,776