Litigation (Detail) $ in Millions										3 Months Ended		12 Months Ended
	Sep. 02, 2016 claim	Oct. 21, 2014 plaintiff	Sep. 18, 2014 plaintiff	Sep. 17, 2012 claim	Jun. 01, 2012 plaintiff claim	Jan. 02, 2009 plaintiff subsidiary	Jun. 27, 2008 plaintiff	Oct. 14, 2004 plaintiff subsidiary	Sep. 25, 2003 USD ($)	Sep. 27, 2002 USD ($)	Sep. 28, 2001 USD ($)	Dec. 28, 2018 USD ($) plaintiff	Dec. 29, 2017 USD ($) claim	Dec. 30, 2016 USD ($)	Mar. 15, 2018 claim	Dec. 31, 1980 subsidiary
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, accrual expected to be paid in the second year												$ 1.1
Kunia Well Site cleanup operation, accrual expected to be paid in the third year												1.0
Kunia Well Site cleanup operation, accrual expected to be paid in the fourth year												0.9
Kunia Well Site cleanup operation, accrual expected to be paid in the fifth year												$ 0.9
DBCP Litigation
Commitments and Contingencies Disclosure [Line Items]
Number of subsidiaries involved in litigation | subsidiary								2
Number of plaintiffs (more than 2,600 plaintiffs) | plaintiff		57			3,000							3
Actions filed | claim					8
Claims dismissed			6	229
Dismissed claims reversed | claim	229
Number of pending claims | claim															285
DBCP Litigation | Costa Rican Residents
Commitments and Contingencies Disclosure [Line Items]
Number of subsidiaries involved in litigation | subsidiary						3
Number of plaintiffs (more than 2,600 plaintiffs) | plaintiff		2,600				461	1,329	2,600
Kunia Well Site
Commitments and Contingencies Disclosure [Line Items]
Number of subsidiaries involved in litigation | subsidiary																1
Kunia Well Site cleanup operation, charge for estimated expected future cleanup cost										$ 7.0	$ 15.0
Kunia Well Site cleanup operation, estimated remediation costs associated with the cleanup										$ 26.1	$ 19.1
Accrual for environmental loss contingencies, estimated payment period									10 years
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup														$ 13.5
Kunia Well Site cleanup operation, accrual expected to be paid in the next 12 months												$ 0.3
Kunia Well Site cleanup operation, accrual expected to be paid in the fifth year												$ 0.9
Kunia Well Site | Minimum
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, estimated remediation costs associated with the cleanup									$ 12.9
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup														13.5
Kunia Well Site | Maximum
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, estimated remediation costs associated with the cleanup									$ 25.4
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup														28.7
Panama and Ecuador | DBCP Litigation
Commitments and Contingencies Disclosure [Line Items]
Number of pending claims from certain countries															66.67%
Costa Rica | DBCP Litigation
Commitments and Contingencies Disclosure [Line Items]
Actions filed | claim													2
Other fresh produce | Discount Rate Adjustment
Commitments and Contingencies Disclosure [Line Items]
Other increase (decrease) in environmental liabilities													$ 0.4	0.4
Other non-current liabilities | Kunia Well Site
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup														13.2
Accounts payable and accrued expenses current | Kunia Well Site
Commitments and Contingencies Disclosure [Line Items]
Kunia Well Site cleanup operation, undiscounted estimated remediation costs associated with the cleanup														$ 0.3