Goodwill and Other Intangible Assets	9 Months Ended
Goodwill and Other Intangible Assets	Feb. 28, 2018
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	NOTE 3 — GOODWILL AND OTHER INTANGIBLE ASSETS During the three and nine month periods ended February 28, 2017, we recorded impairment charges related to a reduction of the carrying value of goodwill and other intangible assets totaling $4.9 million and $193.2 million, respectively. All of the charges were recorded by our consumer reportable segment. The goodwill impairment loss incurred during fiscal 2017 totaled $140.5 million, and the impairment losses for other intangible assets, totaling $52.6 million, related to formulae for $15.3 million; customer-related intangibles for $30.1 million; other intangibles for $0.2 million and indefinite-lived trademarks for $7.0 million. Total accumulated goodwill impairment losses were $156.3 million and $155.4 million at February 28, 2018 and 2017, which comprise the goodwill impairment loss incurred during fiscal 2017 as well as a $14.9 million goodwill impairment loss recorded by our industrial reportable segment during fiscal 2009. The gross amount of other intangible asset accumulated impairment losses were $53.6 million and $53.2 million at February 28, 2018 and 2017, which comprise the other intangible asset impairment loss incurred during fiscal 2017 as well as a $0.6 million other intangible asset impairment loss recorded by our industrial reportable segment during fiscal 2009.

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.