Net Fair Value of Interest Price Risk (Detail) - USD ($)	Apr. 19, 2025	Dec. 28, 2024
Derivatives, Fair Value [Line Items]
Assets	$ 1,674,000	$ 723,000
Liabilities	(608,000)	(1,290,000)
Net Fair Value	1,066,000	(567,000)
Interest Rate Risk
Derivatives, Fair Value [Line Items]
Assets		7,686,000
Net Fair Value	0	7,686,000
Level 1
Derivatives, Fair Value [Line Items]
Assets	1,674,000	723,000
Liabilities	(608,000)	(1,290,000)
Net Fair Value	1,066,000	(567,000)
Level 1 | Interest Rate Risk
Derivatives, Fair Value [Line Items]
Assets		7,686,000
Net Fair Value		7,686,000
Other Current Assets
Derivatives, Fair Value [Line Items]
Assets	1,674,000	723,000
Other Current Assets | Level 1
Derivatives, Fair Value [Line Items]
Assets	1,674,000	723,000
Other Long-Term Assets | Interest Rate Risk
Derivatives, Fair Value [Line Items]
Assets		7,686,000
Other Long-Term Assets | Level 1 | Interest Rate Risk
Derivatives, Fair Value [Line Items]
Assets		7,686,000
Other Current Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	(608,000)	(1,290,000)
Other Current Liabilities | Level 1
Derivatives, Fair Value [Line Items]
Liabilities	(608,000)	(1,290,000)
Other LongTerm Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	0	0
Other LongTerm Liabilities | Level 1
Derivatives, Fair Value [Line Items]
Liabilities	$ 0	$ 0