Commitments and Contingencies (Details) $ / shares in Units, $ in Millions		3 Months Ended	9 Months Ended
	Dec. 21, 2017 USD ($)	Jun. 30, 2018 USD ($) defendant facilities shares	Jun. 30, 2018 USD ($) defendant facilities shares	Jun. 30, 2017 USD ($)	Jan. 12, 2018 USD ($) $ / shares shares
Operating Segments | Refrigerated Food
Loss Contingencies
Claims filed, number		22	22
Loss Contingency, Number of Defendants | defendant		20	20
Loss Contingency, Pending Claims, Number of Plaintiff Groups		3	3
Litigation Settlement, Amount Awarded to Other Party	$ 75.0
Operating Segments | Refrigerated Food | Selling, General and Administrative Expenses
Loss Contingencies
Litigation Settlement, Expense		$ 0.3	$ 2.3	$ 74.5
Bob Evans Farms
Loss Contingencies
Shares not yet paid | shares		3,300,000	3,300,000		4,350,000
Business Acquisition, Share Price | $ / shares					$ 77.00
Payments to be made subsequent to the closing of the acquisition					$ 342.4
Lease Guarantee, Number of Properties | facilities		143	143
Current annual rent of guaranteed leases		$ 13.3
Lease Guarantee, Interest rate increase		1.50%
Lease Guarantee, Remaining Lease Term			18 years
Bob Evans Farms | Other Liabilities
Loss Contingencies
Payments to be made subsequent to the closing of the acquisition		$ 262.1	$ 262.1