Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 26, 2020	Dec. 27, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for Other Losses	$ 0.2
Accounts Receivable, after Allowance for Credit Loss, Current	377.2	$ 363.9
Accounts Receivable, Allowance for Credit Loss, Current	21.6	19.6
Accounts Receivable, Allowance for Credit Loss	9.8	$ 8.9
Contract with Customer, Asset, Allowance for Credit Loss	11.8
Accounting Standards Update 2016-13 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	$ 1.0
Maximum
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
Advances to Growers | Accounting Standards Update 2016-13 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	$ 0.2