Stock-based Compensation and Stockholders' Equity - Determining Fair Value Narrative (Details) $ in Millions	12 Months Ended
Jun. 30, 2020 USD ($)
Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested stock-based awards	$ 5.5
Unrecognized compensation cost related to non-vested stock based awards, period for recognition	2 years 2 months 8 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested stock-based awards	$ 31.2
Unrecognized compensation cost related to non-vested stock based awards, period for recognition	2 years 6 months 7 days
Performance-Based Restricted Stock Units (PRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested stock-based awards	$ 0.5
Unrecognized compensation cost related to non-vested stock based awards, period for recognition	10 months 24 days

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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