Stock-Based Compensation (Detail Textuals) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
Dec. 31, 2014
2006 Stock Incentive Plan \| PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period to establish average share price for performance measurement	90 days
Description of issuance of awards condition	If EPS for the year ending June 30, 2015 exceeds the specified EPS and the average share price of the Company's stock for the 90 day period ending September 23, 2015, 2016 and 2017 exceeds the average share price of the Company's stock for the 90 day period ended September 23, 2014 by 100 percent or more, then an additional 180,570 RSUs could be earned by participants.
Number of additional awards to be issued pursuant to condition	180,570
Description of vesting of awards	In addition to the performance and market conditions, there is a service vesting condition which stipulates that 50 percent of the earned award will vest on September 23, 2017 and 50 percent of the earned award will vest on September 1, 2018
2006 Stock Incentive Plan \| PRSUs \| September 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	202,170
2006 Stock Incentive Plan \| PRSUs \| September 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	180,570
2006 Stock Incentive Plan \| RSUs \| September 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of awards	50.00%
2006 Stock Incentive Plan \| RSUs \| September 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of awards	50.00%
2006 Stock Incentive Plan \| RSUs \| September 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of issuance of awards condition	If NATP for the year ended June 30, 2014 and on the average share price of Company stock for the 90 day period ending September 13, 2014 as compared to the average share price for the 90 day period ended September 13, 2013.
Number of additional awards to be issued pursuant to condition	11,933
2006 Stock Incentive Plan \| Restricted Shares And Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	33.2
Weighted-average period to recognize unrecognized compensation cost (in years)	2 years 6 months
2006 Plan And Predecessor Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grants	12,450,000
Cumulative grants of equity instruments	13,463,092
Number of equity instruments forfeited	4,134,924

Represents information about average share price determination period.

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- Definition

Represents the condition about issuance of awards.

+ References

No definition available.

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Represents the number of additional awards to be issued pursuant to the condition.

+ References

No definition available.

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- Definition

Share-based compensation arrangement by share-based payment award, options, cumulative grants.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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