DEBT AND FINANCING OBLIGATIONS - Financing Obligation (Details) - Farmland $ in Millions	12 Months Ended
	May 28, 2017 USD ($) item	Dec. 31, 2010 USD ($) a	May 29, 2016 USD ($)
Financing obligation
Acres of farmland sold to an unrelated buyer | a		17,600
Proceeds received as a financing obligation		$ 75.0
Remaining balance of the financing obligation	$ 68.2		$ 69.7
Net carrying value of the related property	$ 39.9		$ 40.5
Remaining initial term	3 years
Number of renewal options | item	2
Renewal term	5 years