Share-based Compensation - Award Activity (Details) - shares shares in Thousands	3 Months Ended
Sep. 30, 2018	Jun. 30, 2018
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Equity awards outstanding, beginning of year	3,549
Granted (in shares)	1,279
Exercised (in shares)	(219)
Expired or forfeited (in shares)	(23)
Equity awards outstanding, end of period	4,586
RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Equity awards outstanding, beginning of year	1,520	1,535
Granted (in shares)	15
Exercised (in shares)	(30)
Expired or forfeited (in shares)	0
Equity awards outstanding, end of period	1,520
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Equity awards outstanding, beginning of year	538	538
Granted (in shares)	0
Exercised (in shares)	0
Expired or forfeited (in shares)	0
Equity awards outstanding, end of period	538

Number of non-option equity instruments exercised by participants.

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Number of shares under non-option equity instrument agreements that were either cancelled or expired.

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Net number of non-option equity instruments granted to participants.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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Number of share options (or share units) exercised during the current period.

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