Annual report [Section 13 and 15(d), not S-K Item 405]

Retirement Savings Plans (Narrative) (Details)

v3.25.0.1
Retirement Savings Plans (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Liability to participants under deferred compensation plan $ 30,500,000 $ 26,600,000  
Current liability to participants under deferred compensation plan $ 2,100,000 1,200,000  
401(k) Profit-Sharing Plan [Member]      
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Defined Contribution Plan Requisite Service Period 30 days    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 14,900,000 15,600,000 $ 13,300,000
Other non-current assets: | Deferred Compensation Plan [Member]      
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Fair value of mutual fund investments 30,500,000 26,600,000  
Short-term investments: | Deferred Compensation Plan [Member]      
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Fair value of mutual fund investments $ 2,100,000 $ 1,200,000