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Stock-Based Compensation - Annual Performance-Based Awards Granted (Detail)	6 Months Ended
	Dec. 31, 2018 shares
FY2019 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	101,976
FY2018 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	185,056
Additional PRSUs earned pursuant to condition	20,116
FY2017 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	193,420
Additional PRSUs earned pursuant to condition	73,065

X

- Definition

Represents the number of additional PRSUs earned pursuant to condition.

+ References

No definition available.

+ Details

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X

- 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

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

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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.

+ References

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