Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 327.1	$ 292.7	$ 264.9
Additions Charged to Costs and Expenses	40.0	41.1	39.7
Additions Charged to Other Accounts	1.0	0.5	(2.0)
Deductions	(8.6)	(7.2)	(9.9)
Balance at End of Period	359.5	327.1	292.7
Trade accounts receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	14.6	12.9	11.3
Additions Charged to Costs and Expenses	5.2	2.1	2.9
Additions Charged to Other Accounts	0.0	0.0	0.0
Deductions	(0.2)	(0.4)	(1.3)
Balance at End of Period	19.6	14.6	12.9
Advances to growers and other receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	7.2	8.8	7.8
Additions Charged to Costs and Expenses	0.1	0.5	1.4
Additions Charged to Other Accounts	0.0	0.0	0.0
Deductions	(3.9)	(2.1)	(0.4)
Balance at End of Period	3.4	7.2	8.8
Deferred tax asset valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	291.8	257.1	232.1
Additions Charged to Costs and Expenses	35.0	38.6	35.4
Additions Charged to Other Accounts	1.0	0.8	(1.8)
Deductions	(4.5)	(4.7)	(8.6)
Balance at End of Period	323.3	291.8	257.1
Provision for Kunia Well Site
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	13.5	13.9	13.7
Additions Charged to Costs and Expenses	(0.3)	(0.1)	0.0
Additions Charged to Other Accounts	0.0	(0.3)	(0.2)
Deductions	0.0	0.0	0.4
Balance at End of Period	$ 13.2	$ 13.5	$ 13.9