INCOME TAXES (Schedule of Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal statutory rate	35.00%	35.00%	35.00%
Increase (decrease) in income taxes resulting from:
State income taxes, net of federal tax benefit	5.60%	0.30%	2.60%
Foreign operations	(16.00%)	(17.20%)	(14.70%)
Goodwill impairment	0.00%	34.10%	0.00%
Changes in valuation allowances	3.00%	(1.10%)	(0.40%)
Uncertain tax positions	(3.80%)	(8.50%)	(2.50%)
Research and development credit	(2.20%)	(1.80%)	0.00%
Return to provision	1.50%	(6.60%)	(0.50%)
Other	(2.20%)	(1.50%)	1.30%
Effective tax rate	20.90%	32.70%	20.80%