Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Major classes of inventories

The following table summarizes the major classes of inventories as of December 31:

	2013		2012
Finished goods	$	167,577	$	183,286
Service parts	132,508		151,189
Raw materials and work in process	76,377		78,521
Total inventories	$	376,462	$	412,996