GOODWILL AND OTHER INTANGIBLE ASSETS (Rollforward of Goodwill) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Roll Forward]
Balance at beginning of year	$ 452,669
Acquired from acquisitions	36,591
Increase from adjustments during the measurement period related to recent acquisitions	3,841
Foreign currency translation	(8,251)
Balance at end of year	$ 452,858