LONG-TERM DEBT (Details) - USD ($)		12 Months Ended
	Oct. 18, 2021	Dec. 30, 2023	Dec. 31, 2022
Long-term debt:
Debt issuance costs		$ (6,645,000)	$ (6,918,000)
Total long-term debt		1,108,604,000	872,129,000
Less current installments of long-term debt		719,000	1,194,000
Long-term debt, excluding current installments		1,107,885,000	870,935,000
Minimum aggregate maturities of long-term debt
2024		719,000
2025		599,000
2026		378,554,000
2027		43,000
2028		$ 0
Senior Unsecured Notes 5.00% Due 2044
Long-term debt:
Interest rate on notes		5.00%
Redemption price of notes, stated as a percentage of principal amount		100.00%
Senior Unsecured Notes 5.25% Due 2054
Long-term debt:
Aggregate amount		$ 305,000,000
Interest rate on notes		5.25%
Redemption price of notes, stated as a percentage of principal amount		100.00%
Unamortized discount on 5.00% and 5.25% senior unsecured notes
Long-term debt:
Unamortized premium on senior unsecured notes		$ (19,665,000)	(20,053,000)
Revolving credit agreement
Long-term debt:
Total long-term debt		377,899,000	140,513,000
Outstanding line of credit		162,000
Unused and available borrowings		421,939,000
Revolving credit agreement | Minimum
Long-term debt:
Basis points added to variable rate	0.00%
Revolving credit agreement | Maximum
Long-term debt:
Basis points added to variable rate	0.625%
Revolving credit agreement | Prime lending rate
Long-term debt:
Variable interest rate basis	prime lending rate
Revolving credit agreement | Federal Funds rate
Long-term debt:
Variable interest rate basis	overnight bank rate
Basis points added to variable rate	0.50%
Revolving credit agreement | LIBOR
Long-term debt:
Basis points added to variable rate	1.00%
Debt instrument	Secured Overnight Financing Rate (“SOFR”) (based on a 1-, 3-, or 6-month interest period, as selected by the Company)
Revolving credit agreement | LIBOR | Minimum
Long-term debt:
Basis points added to variable rate	1.00%
Revolving credit agreement | LIBOR | Maximum
Long-term debt:
Basis points added to variable rate	1.625%
Revolving credit agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt:
Basis points added to variable rate	0.10%
Revolving credit agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum
Long-term debt:
Basis points added to variable rate	1.00%
Revolving credit agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum
Long-term debt:
Basis points added to variable rate	1.625%
Other notes
Long-term debt:
Total long-term debt		2,015,000	3,587,000
Short Term Bank Lines Of Credit
Long-term debt:
Balance		39,336,000
Unused and available borrowings		36,131,000
Senior Unsecured Notes 5.00% Due 2044 | Senior Notes
Long-term debt:
Aggregate amount		450,000,000	450,000,000
Unamortized debt discount		12,503,000
Senior Unsecured Notes 5.25% Due 2054
Long-term debt:
Unamortized debt discount		7,162,000
Senior Unsecured Notes 5.25% Due 2054 | Senior Notes
Long-term debt:
Aggregate amount		305,000,000	$ 305,000,000
Revolving Credit Facility
Long-term debt:
Total line of credit facility for short-term borrowings	$ 800,000,000
Additional borrowing capacity	300,000,000
Unused and available borrowings	$ 400,000,000
Revolving Credit Facility | Revolving credit agreement
Long-term debt:
Outstanding line of credit		$ 377,899,000