INVESTMENTS IN JOINT VENTURES - Variable Interest Entity - Consolidated - Reported in Combined and Consolidated Balance Sheets (Details) - USD ($) $ in Millions	May 28, 2017	May 29, 2016	May 31, 2015	Jun. 01, 2014
Condensed Combined and Consolidated Balance Sheets
Cash and equivalents	$ 57.1	$ 36.4	$ 30.6	$ 27.0
Inventories	525.0	498.9
Prepaid expenses and other current assets	90.9	58.2
Property, plant and equipment, net	1,271.2	1,043.1
Goodwill	133.0	133.9
Intangible assets, net	37.2	39.6
Accounts payable	295.0	238.0
Redeemable noncontrolling interest	50.7	47.4
Lamb Weston BSW
Condensed Combined and Consolidated Balance Sheets
Cash and equivalents	10.9	4.3
Receivables, less allowance for doubtful accounts	0.1	0.1
Inventories	1.9	1.2
Prepaid expenses and other current assets	0.4	0.4
Property, plant and equipment, net	49.4	52.2
Goodwill	18.8	18.8
Intangible assets, net	4.5	5.2
Total assets	86.0	82.2
Notes payable		1.0
Current portion of long-term debt	1.5	0.5
Accounts payable	11.6	10.9
Accrued liabilities	2.0	1.7
Long-term debt, excluding current portion	28.0	29.5
Total liabilities	43.1	43.6
Redeemable noncontrolling interest	50.7	47.4
Lamb Weston BSW | Eliminated in consolidation
Condensed Combined and Consolidated Balance Sheets
Receivables, less allowance for doubtful accounts	$ 24.0	$ 25.8