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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Assets And Liabilities Measured At Fair Value

The following table presents fair value information related to the Company's assets and liabilities measured at amortized cost on the condensed consolidated balance sheets with the exception of the interest rate swap, which is measured at fair value:

			Fair Value Measurements at September 30, 2020
			Total						Level 1						Level 2						Level 3
Assets
Cash equivalents:
Money market fund deposits and term deposits			$	269,955					$	269,955					$	—					$	—
Commercial paper			126,563						—						126,563						—
Corporate bonds			25,142						—						25,142						—
U.S. Treasury and agency obligations			11,799						—						11,799						—
Short-term investments:
Corporate bonds			183,827						—						183,827						—
Commercial paper			316,167						—						316,167						—
U.S. Treasury and agency obligations			38,144						—						38,144						—
Total			$	971,597					$	269,955					$	701,642					$	—
Liabilities
Long-term debt			$	39,436					$	—					$	39,436					$	—
Interest rate swap			666						—						666						—
Total			$	40,102					$	—					$	40,102					$	—

			Fair Value Measurements at December 31, 2019
			Total						Level 1						Level 2						Level 3
Assets
Cash equivalents:
Money market fund deposits and term deposits			$	155,080					$	155,080					$	—					$	—
Commercial paper			54,712						—						54,712						—
Short-term investments:
Corporate bonds			259,422						259,422						—						—
Commercial paper			236,752						—						236,752						—
Certificate of deposit			6,501						6,501						—						—
Long-term investments and other assets:
Auction rate securities			592						—						—						592
Interest rate swaps			13						—						13						—
Total			$	713,072					$	421,003					$	291,477					$	592
Liabilities
Long-term debt			$	42,004					$	—					$	42,004					$	—
Contingent purchase consideration			273						—						—						273
Total			$	42,277					$	—					$	42,004					$	273

Fair Value, Assets Measured on Recurring Basis

The following table presents information about the Company's movement in Level 3 assets and liabilities measured at fair value:

			Three Months Ended September 30,												Nine Months Ended September 30,
			2020						2019						2020						2019
Auction rate securities
Balance, beginning of period			$	596					$	852					$	592					$	847
Redemptions			(596)						(264)						(596)						(264)
Change in fair value and accretion			—						2						4						7
Balance, end of period			$	—					$	590					$	—					$	590
Contingent purchase consideration
Balance, beginning of period			$	—					$	300					$	273					$	898
Cash payments			—						—						(272)						(632)
Foreign exchange adjustment			—						(3)						(1)						31
Balance, end of period			$	—					$	297					$	—					$	297

Fair Value, Liabilities Measured on Recurring Basis

The following table presents information about the Company's movement in Level 3 assets and liabilities measured at fair value:

			Three Months Ended September 30,												Nine Months Ended September 30,
			2020						2019						2020						2019
Auction rate securities
Balance, beginning of period			$	596					$	852					$	592					$	847
Redemptions			(596)						(264)						(596)						(264)
Change in fair value and accretion			—						2						4						7
Balance, end of period			$	—					$	590					$	—					$	590
Contingent purchase consideration
Balance, beginning of period			$	—					$	300					$	273					$	898
Cash payments			—						—						(272)						(632)
Foreign exchange adjustment			—						(3)						(1)						31
Balance, end of period			$	—					$	297					$	—					$	297

Schedule of Effective Maturity Dates of Held To Maturity Investments

The following table presents the effective maturity dates of held-to-maturity and available-for-sale debt investments as of September 30, 2020 and December 31, 2019:

			September 30, 2020												December 31, 2019
			Book Value						Fair Value						Book Value						Fair Value
Investment maturity
Held-to-maturity:
Less than 1 year			$	537,696					$	538,138					$	502,546					$	502,675
Available-for-sale:
Greater than 5 years			$	—					$	—					$	592					$	592

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- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

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Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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