Sale and Leaseback Transaction (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Oct. 23, 2015 USD ($) lease_renewal	Oct. 23, 2015 USD ($)
Sale Leaseback Transaction [Line Items]
Operating lease initial term		20 years
BEF Foods Industrial Properties - Lima and Sulphur Springs
Sale Leaseback Transaction [Line Items]
Selling price	$ 51,600
Net proceeds	$ 50,017
Operating lease initial term	20 years
Rent expense	$ 4,127
Renewal options | lease_renewal	2
Renewal term	10 years
Lima Facility
Sale Leaseback Transaction [Line Items]
Selling price	$ 25,284
Direct transaction costs	564
Net book value of assets sold	22,415	$ 22,415
Net gain (loss) on sale	2,305
Sulphur Springs Facility
Sale Leaseback Transaction [Line Items]
Selling price	26,316
Direct transaction costs	606
Net book value of assets sold	29,142	29,142
Net gain (loss) on sale	(3,432)
SG&A | Sulphur Springs Facility
Sale Leaseback Transaction [Line Items]
Net gain (loss) on sale	(3,432)
Deferred Rent and Other | Lima Facility
Sale Leaseback Transaction [Line Items]
Deferred gain	$ 2,305	$ 2,305