The following tables summarize the assets and liabilities carried at fair value measured on a recurring basis as of March 31, 2024 and December 31, 2023 (in thousands):


	Assets at Fair Value as of March 31, 2024
Asset Category	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (1)	$	840,985	$	—	$	—	$	840,985
Deferred compensation plan assets (2)	58,432		—		—		58,432
Restricted cash (3)	1,502		—		—		1,502
Total	$	900,919	$	—	$	—	$	900,919

(1)Cash and cash equivalents consist of deposit accounts and money market funds with original maturity dates of three months or less, which are Level 1 assets. At March 31, 2024, we had $528.3 million in money market funds. From time to time, we have cash balances in certain of our domestic bank accounts that exceed federally insured limits.

(2)Deferred compensation plan assets are classified as “Other assets” in the Consolidated Balance Sheets.

(3)Restricted cash is classified as “Prepaid expenses and other” in the Consolidated Balance Sheets. Restricted cash represents cash held in account for use on customer contracts.


	Assets at Fair Value as of December 31, 2023
Asset Category	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (1)	$	789,750	$	—	$	—	$	789,750
Deferred compensation plan assets (2)	47,315		—		—		47,315
Total	$	837,065	$	—	$	—	$	837,065

(1)Cash and cash equivalents consist of deposit accounts and money market funds with original maturity dates of three months or less, which are Level 1 assets. At December 31, 2023, we had $497.3 million in money market funds. From time to time, we have cash balances in certain of our domestic bank accounts that exceed federally insured limits.