Retirement Savings Plans (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Liability to participants under deferred compensation plan	$ 35,600,000	$ 30,500,000
Current liability to participants under deferred compensation plan	$ 2,300,000	2,100,000
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	$ 15,100,000	14,900,000	$ 15,600,000
Other non-current assets: | Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Fair value of mutual fund investments	35,600,000	30,500,000
Short-term investments: | Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Fair value of mutual fund investments	$ 2,300,000	$ 2,100,000