Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012 Leases	Dec. 31, 2011	Jan. 01, 2011
Basis Of Preparation [Line Items]
Company operating period	52/53-week year
Definite lived intangible assets useful life	8 years
Customers accounted for revenue	10.00%	10.00%	10.00%
Customers accounted for receivable	10.00%	10.00%	10.00%
Number of operating vessel leases	2
Minimum
Basis Of Preparation [Line Items]
Deferred agricultural cost amortized period	2 years
Maximum
Basis Of Preparation [Line Items]
Deferred agricultural cost amortized period	7 years
Cash equivalents original maturity period	3 months
Segment, Continuing Operations
Basis Of Preparation [Line Items]
Advertising and marketing cost	26.7	29.2	33.3
Segment, Discontinued Operations
Basis Of Preparation [Line Items]
Advertising and marketing cost	76.3	71.1	66.2