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Share-Based Compensation - Shares Purchased, Weighted Average Purchase Price, Cash Received, and Aggregate Intrinsic Value for ESPP (Detail) $ / shares in Units, $ in Millions	6 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate intrinsic value	$ 2.2
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased | shares	258,563
Weighted average purchase price | $ / shares	$ 31.60
Cash received	$ 8.2
Aggregate intrinsic value	$ 1.4

X

- Definition

The cash inflow associated with the amount received from the stock plan during the period.

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-Topic 230
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-Paragraph 14
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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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-Publisher FASB
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The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the plan.

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