BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Raw materials and purchased parts	$ 10,722	$ 12,633
Work-in-progress	172,064	192,206
Finished goods	84,840	73,403
Inventories	$ 267,626	$ 278,242