GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Goodwill [Line Items]
Impairment of intangible assets	$ 409	$ 600
Annual amortization expense expected to approximate in 2015	31,900
Annual amortization expense expected to approximate in 2016	29,700
Annual amortization expense expected to approximate in 2017	27,600
Annual amortization expense expected to approximate in 2018	27,300
Annual amortization expense expected to approximate in 2019	26,500
Confluent Surgical, Inc.
Goodwill [Line Items]
Impairment of intangible assets	$ 600