Long-Term Debt And Lines of Credit (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 28, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022	Jun. 28, 2022
SOFR [Member]
Debt Instrument [Line Items]
Basis spread on variable interest rate		1.00%
2022 Credit Facilities [Member]
Debt Instrument [Line Items]
Borrowing capacity			$ 450,000	$ 550,000
Standby letters of credit		$ 45,200
Unused lines of credit		$ 404,800
2022 Credit Facilities [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility period, years		5 years
Amount outstanding					$ 450,000
2022 Credit Facilities [Member] | Expansion Feature [Member]
Debt Instrument [Line Items]
Borrowing capacity					250,000
2022 Credit Facilities [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Credit facility period, years		5 years
Periodic principal payments		$ 1,250	1,250
Frequency of principal payments		last day of each fiscal quarter
Repayment of long-term debt	$ 21,300		$ 75,000
Prepayment penalties		$ 0
Amount outstanding					$ 100,000
Deferred financing costs		$ 0