FAIR VALUE (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30, 2018, measured at fair value on a recurring basis:

Description	Balance as of June 30, 2018		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	$	3,494	$	—	$	3,494	$	—
Net investment contracts	608		—		608		—
Marketable securities	139,059		—		139,059		—
Total assets	$	143,161	$	—	$	143,161	$	—
Liabilities:
Foreign exchange contracts	$	3,201	$	—	$	3,201	$	—
Net investment contracts	46		—		46		—
Interest rate swap agreements	9,106		—		9,106		—
Contingent considerations	7,294		—		—		7,294
Deferred compensation	26,955		—		26,955		—
Total liabilities	$	46,602	$	—	$	39,308	$	7,294

The following table provides a summary of assets and liabilities as of December 31, 2017, measured at fair value on a recurring basis:

Description	Balance as of December 31, 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	$	2,776	$	—	$	2,776	$	—
Marketable securities	179,125		—		179,125		—
Total assets	$	181,901	$	—	$	181,901	$	—
Liabilities:
Foreign exchange contracts	$	4,351	$	—	$	4,351	$	—
Interest rate swap agreements	5,085		—		5,085		—
Contingent considerations	7,086		—		—		7,086
Deferred compensation	25,397		—		25,397		—
Total liabilities	$	41,919	$	—	$	34,833	$	7,086