v3.24.2
Fair Value Measurements (Schedule Of Assets And Liabilities Carried At Fair Value Measured On A Recurring Basis) (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Restricted cash $ 900   $ 600
Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 807,318 [1] $ 789,750 [2]  
Deferred compensation plan assets [3] 57,066 47,315  
Restricted cash [4] 880    
Total 865,264 837,065  
Fair Value, Recurring [Member] | Level 1 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 807,318 [1] 789,750 [2]  
Deferred compensation plan assets [3] 57,066 47,315  
Restricted cash [4] 880    
Total 865,264 837,065  
Fair Value, Recurring [Member] | Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 [1] 0 [2]  
Deferred compensation plan assets [3] 0 0  
Restricted cash [4] 0    
Total 0 0  
Fair Value, Recurring [Member] | Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 [1] 0 [2]  
Deferred compensation plan assets [3] 0 0  
Restricted cash [4] 0    
Total 0 0  
Money Market Funds [Member] | Fair Value, Recurring [Member] | Level 1 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents $ 564,900 $ 497,300  
[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 June 30, 2024, we had $564.9 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] 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.
[3] Deferred compensation plan assets are classified as “Other assets” in the Consolidated Balance Sheets.
[4] 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.