COST-REDUCTION ACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2013
Cost-reduction actions
Reversals				$ 795
Rollforward of the severance and other exit cost accrual activity
Balance as of beginning of year			$ 32	1,934
Additions			139	41
Reversals				(795)
Reductions			(141)	(638)
Balance as of end of period	$ 32	$ 542	$ 30	$ 542	$ 1,934
Spanish grants
Cost-reduction actions
Reversals	250
Rollforward of the severance and other exit cost accrual activity
Reversals	$ (250)
Facility closure | Johor, Malaysia | Cost of sales
Cost-reduction actions
Severance cost					386
Reversals		407
Rollforward of the severance and other exit cost accrual activity
Reversals		(407)
Facility closure | Johor, Malaysia | Selling, general and administrative expense
Cost-reduction actions
Severance cost					$ 377
Reversals		388
Rollforward of the severance and other exit cost accrual activity
Reversals		$ (388)