INCOME TAXES - Uncertain Tax Positions - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
May 28, 2017	May 29, 2016	May 31, 2015
INCOME TAXES
Unrecognized tax benefits	$ 6.9	$ 3.8	$ 4.3
Tax benefit if unrecognized tax benefits are recognized	6.2	2.4
Accrued estimated interest and penalties	$ 2.8	$ 2.8
Statutes of limitations, minimum	3 years
Statutes of limitations, maximum	5 years

Statutes of limitations in other major jurisdictions, maximum term.

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Statutes of limitations in other major jurisdictions, minimum term.

+ References

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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