Commitments and Contingencies (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Commitments and Contingencies Disclosure [Line Items]
Total purchases under agreements to purchase certain products of our independent growers	$ 625.9	$ 683.2	$ 744.9
Kunia Well Site cleanup operation, accrual expected to be paid in the second year	0.6
Kunia Well Site cleanup operation, accrual expected to be paid in the third year	0.5
Kunia Well Site cleanup operation, accrual expected to be paid in the fourth year	0.4
Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Five	0.1
Kunia Well Site
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, estimated remediation costs associated with the cleanup	2.5
Kunia Well Site
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, estimated remediation costs associated with the cleanup	0.3
Kunia Well Site cleanup operation, accrual expected to be paid in the next 12 months	0.3
Kunia Well Site | Minimum
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup	$ 2.8
Other noncurrent liabilities
Commitments and Contingencies Disclosure [Line Items]
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other noncurrent liabilities
Accounts payable and accrued expenses
Commitments and Contingencies Disclosure [Line Items]
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued expenses