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Indebtedness (Components Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 27, 2025	Jun. 28, 2025	Mar. 29, 2025	Dec. 28, 2024	Sep. 28, 2024	Jun. 29, 2024	Mar. 30, 2024	Dec. 30, 2023	Sep. 30, 2023
Debt Instrument
Senior debt	$ 946,000				$ 876,500
Less deferred debt issuance cost	(314)				(2,361)
Less current installments	(1,563)				0
Long-term debt	944,123	$ 1,081,674	$ 1,165,662	$ 1,104,151	874,139	$ 958,127	$ 948,615	$ 920,103	$ 863,092
Line of Credit \| U.S. revolving credit facility
Debt Instrument
Senior debt	195,000				375,500
Line of Credit \| SECT revolving credit facility
Debt Instrument
Senior debt	1,000				1,000
Term Loan
Debt Instrument
Senior debt	250,000				0
Senior Notes
Debt Instrument
Senior debt	$ 500,000				$ 500,000