Restructuring Plan - Additional Information (Detail) $ in Thousands	12 Months Ended
Jun. 30, 2019 USD ($) position	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 560	$ 3,159	$ 1,952
Number of positions eliminated \| position	38
Other restructuring costs		$ 3,159	1,042
2014 Plan Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			$ 910

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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