BUSINESS SEGMENTS AND RELATED INFORMATION - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 26, 2017 USD ($)	Nov. 27, 2016 USD ($)	Nov. 26, 2017 USD ($) segment	Nov. 27, 2016 USD ($)	May 28, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			5
Cumulative net derivative losses from economic hedges recognized in general corporate expenses	$ (1.9)		$ (1.9)
Net losses incurred			0.6
Net losses incurred in prior fiscal years					$ 1.3
Losses expected to be reclassified			1.8
Losses expected to be reclassified in fiscal 2019 and thereafter			0.1
Total depreciation expense	55.6	$ 58.2	111.7	$ 117.0
Revenue, Major Customer [Line Items]
Accounts payable to suppliers who utilize third-party service	$ 68.7		$ 68.7
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net sales
Revenue, Major Customer [Line Items]
Concentration risk (as a percent)	24.00%	24.00%	24.00%	24.00%
Customer concentration risk | Wal-Mart Stores, Inc. and affiliates | Net receivables
Revenue, Major Customer [Line Items]
Concentration risk (as a percent)			28.00%		26.00%