Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 25, 2020	Dec. 27, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for Other Losses	$ 0.5
Accounts Receivable, after Allowance for Credit Loss, Current	341.4	$ 363.9
Accounts Receivable, Allowance for Credit Loss, Current	20.7	19.6
Accounts Receivable, Allowance for Credit Loss	10.1	8.9
Contract with Customer, Asset, Allowance for Credit Loss	$ 10.6
Accounting Standards Update 2016-13 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Allowance for Credit Loss		$ 1.0
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Advances to growers, maximum term	1 year
Longer Term Advances to Growers | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Advances to growers, maximum term	4 years