Restricted Share, Restricted Share Unit and Cash-Based Restricted Share Unit Activity (Detail)	12 Months Ended
Jun. 30, 2019 $ / shares shares
Restricted Stock
Number of Shares
Nonvested - June 30, 2018 \| shares	595,519
Vested \| shares	(401,341)
Forfeited \| shares	(10,749)
Nonvested - June 30, 2019 \| shares	183,429
Weighted Average Grant Date Fair Value
Nonvested - June 30, 2018 \| $ / shares	$ 24.58
Vested \| $ / shares	21.96
Forfeited \| $ / shares	27.15
Nonvested - June 30, 2019 \| $ / shares	$ 30.30
Restricted Stock Units (RSUs)
Number of Shares
Granted \| shares	177,609
Forfeited \| shares	(1,872)
Nonvested - June 30, 2019 \| shares	175,737
Weighted Average Grant Date Fair Value
Granted \| $ / shares	$ 47.16
Forfeited \| $ / shares	49.90
Nonvested - June 30, 2019 \| $ / shares	$ 47.13
Cash-Based Restricted Share Units
Number of Shares
Nonvested - June 30, 2018 \| shares	117,326
Granted \| shares	30,506
Vested \| shares	(68,846)
Forfeited \| shares	(1,344)
Nonvested - June 30, 2019 \| shares	77,642
Weighted Average Grant Date Fair Value
Nonvested - June 30, 2018 \| $ / shares	$ 25.57
Granted \| $ / shares	49.05
Vested \| $ / shares	22.67
Forfeited \| $ / shares	35.59
Nonvested - June 30, 2019 \| $ / shares	$ 37.19

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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 (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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-Publisher FASB
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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