FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

The following tables present the classification within the fair value hierarchy of financial assets and liabilities not disclosed elsewhere in these Condensed Consolidated Financial Statements that are remeasured on a recurring basis as of June 30, 2020 and December 31, 2019. There were no financial assets or liabilities that were remeasured using a quoted price in active markets for identical assets (Level 1) as of June 30, 2020 or December 31, 2019.

	Fair Value Measurements at June 30, 2020
		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Other current assets:
NQDC Plan assets		$	995	$	—	$	995
Other assets:
NQDC Plan assets		17,237		—		17,237
Restricted investments (1)		4,548		—		4,548
Total other assets		21,785		—		21,785
Total assets		$	22,780	$	—	$	22,780
Liabilities:
Current liabilities:
NQDC Plan liability		$	995	$	—	$	995
Other long-term liabilities:
NQDC Plan liability		17,237		—		17,237
Contingent consideration		—		50,216		50,216
Total other long-term liabilities		17,237		50,216		67,453
Total liabilities		$	18,232	$	50,216	$	68,448

	Fair Value Measurements at December 31, 2019
	Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Other current assets:
NQDC Plan assets	$	1,177	$	—	$	1,177
Other assets:
NQDC Plan assets	16,288		—		16,288
Restricted investments (1)	3,168		—		3,168
Total other assets	19,456		—		19,456
Total assets	$	20,633	$	—	$	20,633
Liabilities:
Current liabilities:
NQDC Plan liability	$	1,177	$	—	$	1,177
Other long-term liabilities:
NQDC Plan liability	16,288		—		16,288
Contingent consideration	—		50,793		50,793
Total other long-term liabilities	16,288		50,793		67,081
Total liabilities	$	17,465	$	50,793	$	68,258

(1) The restricted investments at June 30, 2020 and December 31, 2019 secure the Company's irrevocable standby letters of credit obtained in connection with certain commercial agreements.

Liabilities Measured at Fair Value on Recurring Basis Using Level 3 Inputs

The following table represents a roll forward of contingent consideration.

Contingent consideration at December 31, 2019	$	50,793
Changes in fair value of contingent consideration	(584)
Foreign exchange remeasurement of Euro denominated contingent acquisition consideration	7
Contingent consideration at June 30, 2020	$	50,216