FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Financial Liabilities:
Notes Payable, Fair Value Disclosure	$ 85,500
Fair Value, Measurements, Recurring [Member]
Financial Assets:
Deferred compensation assets	3,617	$ 1,859
Financial Liabilities:
Foreign currency contracts	14	518
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Deferred compensation assets	572	1,245
Financial Liabilities:
Foreign currency contracts	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Deferred compensation assets	3,045	614
Financial Liabilities:
Foreign currency contracts	14	518
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Deferred compensation assets	0	0
Financial Liabilities:
Foreign currency contracts	0	$ 0
Orad Hi-Tech Systems Ltd. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase (Decrease) in Deferred Compensation	$ 2,400