Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table presents information about the Company’s financial instruments that are accounted for at fair value on a recurring basis at March 31, 2019 and December 31, 2018 (in thousands):

			Fair Value
	Fair Value Category		March 31, 2019		December 31, 2018
Assets:
Money market funds		Level 1	$	2,454	$	481
Short-term investments		Level 2		86,223		—
Company-owned life insurance		Level 2		11,787		10,464
Liabilities:
Contingent consideration		Level 3		15,069		20,039

(1)  Investments were measured at carrying value as of December 31, 2018. See table below.

Financial Instruments Measured At Carrying Amount

The following table presents information about the Company’s financial instruments that are not carried at fair value at March 31, 2019 and December 31, 2018 (in thousands):

	March 31, 2019						December 31, 2018
	Carrying Amount			Fair Value			Carrying Amount		Fair Value
Assets:
Short-term investments	$	—	(2)	$	$ —	(2)		21,923		21,858
Long-term investments	$	—	(2)	$	—	(2)		69,699		69,090
Liabilities:
2023 Notes		750,000			759,375			750,000		736,725
2027 Notes		1,000,000			1,010,000			500,000		482,500

(2)  Investments were measured at fair value as of March 31, 2019. See table above.