Net Fair Value of Commodity Price Risk (Detail) - USD ($) $ in Thousands	Apr. 24, 2021	Jan. 02, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Assets	$ 19,652	$ 17,415
Liabilities	(16)	(88)
Net Fair Value	19,636	17,327
Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	19,652	17,415
Liabilities	(16)	(88)
Net Fair Value	19,636	17,327
Other Current Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets	18,131	16,684
Other Current Assets | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	18,131	16,684
Other LongTerm Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets	1,521	731
Other LongTerm Assets | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	1,521	731
Other Current Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities	(5)	(5)
Other Current Liabilities | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities	(5)	(5)
Other LongTerm Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities	(11)	(83)
Other LongTerm Liabilities | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities	$ (11)	$ (83)