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Sale of Subsidiary - Additional Information (Detail) - USD ($) $ in Millions |  | 9 Months Ended
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Feb. 28, 2020 | Mar. 31, 2020
Disposal of Subsidiary [Line Items] |  |
Pre-tax net gain on sale |  | $ 1.0
Clinic Asset Group [Member] |  |
Disposal of Subsidiary [Line Items] |  |
Pre-tax net gain on sale | $ 1.0 |
Pre-tax gain by settlement | 1.2 |
Offset by a loss, due to the difference between the purchase price and net assets | $ 0.2 |

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- Definition Deconsolidation of subsidiary offset by loss due to difference between purchase price and net assets + References No definition available. + Details
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- Definition Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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