FAIR VALUE (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Summary of assets and liabilities measured at fair value on a recurring basis

The following table provides a summary of assets and liabilities as of September 30, 2017, measured at fair value on a recurring basis:

Description	Balance as of September 30, 2017		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Foreign exchange contracts	$	1,300	$	—	$	1,300	$	—
Marketable securities	179,284		—		179,284		—
Total assets	$	180,584	$	—	$	180,584	$	—
Liabilities:
Foreign exchange contracts	$	2,896	$	—	$	2,896	$	—
Interest rate swap agreements	4,476		—		4,476		—
Contingent considerations	7,067		—		—		7,067
Deferred compensation	28,227		—		28,227		—
Total liabilities	$	42,666	$	—	$	35,599	$	7,067

The following table provides a summary of assets and liabilities as of December 31, 2016, measured at fair value on a recurring basis:

Description	Balance as of December 31, 2016		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Foreign exchange contracts	$	1,185	$	—	$	1,185	$	—
Marketable securities	38,922		—		38,922		—
Total assets	$	40,107	$	—	$	40,107	$	—
Liabilities:
Foreign exchange contracts	$	2,452	$	—	$	2,452	$	—
Interest rate swap agreements	5,439		—		5,439		—
Contingent considerations	8,154		—		—		8,154
Forward contract	15,272		—		—		15,272
Deferred compensation	25,244		—		25,244		—
Total liabilities	$	56,561	$	—	$	33,135	$	23,426