ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $)	Sep. 30, 2013		Dec. 31, 2012
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustments, net of tax (1)	$ 39,175,000	[1]	$ (23,786,000)	[1]
Net unrealized gain on marketable securities, net of tax (2)	586,000	[2]	110,000	[2]
Accumulated other comprehensive income (loss)	39,761,000		(23,676,000)
Net gains (losses) from fair value adjustments associated with net investment hedges, after tax	(17,800,000)		23,800,000
Net gains (losses) from fair value adjustments associated with net investment hedges, before tax	(30,900,000)		38,700,000
Net unrealized gain (loss) on investment securities, before tax	$ 900,000		$ 200,000

[1] Foreign currency translation adjustments, net of tax, includes net losses from fair value adjustments at September 30, 2013 of $17.8 million after tax ($30.9 million before tax) and net gains from fair value adjustments at December 31, 2012 of $23.8 million after tax ($38.7 million before tax) associated with net investment hedges (see Note 5). The remaining balance in currency translation adjustments excludes income taxes due to the Company's practice and intention to reinvest the earnings of its foreign subsidiaries in those operations.

[2] The unrealized gain before tax at September 30, 2013 and December 31, 2012 was $0.9 million and $0.2 million, respectively.