Net Fair Value of Commodity Price Risk (Detail) - USD ($) $ in Thousands	Jul. 17, 2021	Jan. 02, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Assets	$ 13,620	$ 17,415
Liabilities		(88)
Net Fair Value	13,620	17,327
Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	13,620	17,415
Liabilities		(88)
Net Fair Value	13,620	17,327
Other Current Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets	11,344	16,684
Other Current Assets | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	11,344	16,684
Other LongTerm Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets	2,276	731
Other LongTerm Assets | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Assets	$ 2,276	731
Other Current Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities		(5)
Other Current Liabilities | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities		(5)
Other LongTerm Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities		(83)
Other LongTerm Liabilities | Level 1
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities		$ (83)