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Goodwill and Other Intangibles (Tables) | 3 Months Ended
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Aug. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Activity in Goodwill for the Periods Indicated | The following table summarizes the activity in Goodwill for the periods indicated:
| August 31, 2021 | May 31, 2021 | August 31, 2020
Gross beginning balance | $ | 165.9 |  |  | $ | 164.5 |  |  | $ | 164.5 |  |
Accumulated impairment |  | (39.6) |  |  |  | (39.6) |  |  |  | (39.6) |  |
Beginning balance | $ | 126.3 |  |  | $ | 124.9 |  |  | $ | 124.9 |  |
Foreign currency translation |  | (0.4) |  |  |  | 1.4 |  |  |  | 0.7 |  |
Ending balance | $ | 125.9 |  |  | $ | 126.3 |  |  | $ | 125.6 |  |
Summary of Activity in Total Other Intangibles for the Periods Indicated | The following table summarizes the activity in other intangibles included in Other assets and deferred charges on the Company’s Financial Statements for the periods indicated:
| August 31, 2021 | May 31, 2021 | August 31, 2020
Beginning balance - Other intangibles subject to amortization | $ | 8.4 |  |  | $ | 10.5 |  |  | $ | 10.5 |  |
Adjustments |  | — |  |  |  | (0.5) |  |  |  | — |  |
Amortization expense |  | (0.5) |  |  |  | (2.2) |  |  |  | (0.6) |  |
Foreign currency translation |  | (0.1) |  |  |  | 0.6 |  |  |  | 0.3 |  |
Total other intangibles subject to amortization, net of accumulated amortization of $32.8, $32.3 and $30.7, respectively | $ | 7.8 |  |  | $ | 8.4 |  |  | $ | 10.2 |  |
Total other intangibles not subject to amortization | $ | 2.1 |  |  | $ | 2.1 |  |  | $ | 2.1 |  |
Total other intangibles | $ | 9.9 |  |  | $ | 10.5 |  |  | $ | 12.3 |  |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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