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Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Impairment of goodwill			$ 82.0
Clinic Asset Group [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Impairment of goodwill		$ 1.3
Level 3 [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Estimated fair value of long-term debt			$ 225.5	$ 192.7
Level 3 [Member] | Clinic Asset Group [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Impairment of goodwill		$ 1.3
Level 3 [Member] | Crescendo Bioscience, inc. [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Impairment of goodwill	$ 80.7

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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.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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