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Preferred Share Purchase Rights (Details) (USD $)
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12 Months Ended | |
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Jun. 30, 2012
D
Purchase_Right
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Jul. 02, 2011
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| Class of Stock [Line Items] | ||
| Preferred shares, par value | $ 1 | $ 1 |
| Voting rights of preferred shares | one common share or one one-hundredth | |
| Preferred Share Purchase Rights (Textual) [Abstract] | ||
| Number of preferred share purchase right | 1 | |
| Number of business days | 10 | |
| Merger or other business combinations | 50.00% | |
| Dividend rights expired date | May 01, 2014 | |
| Redeemed price of preferred shares | $ 0.01 | |
| Preferred shares, shares issued | ||
| Market value multiplier | market value equal to two times the exercise price of the Right | |
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Minimum [Member]
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| Class of Stock [Line Items] | ||
| Beneficial ownership of outstanding common shares | 15.00% | |
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Common Class A [Member]
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| Class of Stock [Line Items] | ||
| Preferred shares, par value | $ 1 | |
| Initial exercise price of preferred share per unit | 25 | |
| Voting rights of preferred shares | one-tenth of one vote | |
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Common Class B [Member]
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| Class of Stock [Line Items] | ||
| Number of votes | 10 |
| X | ||||||||||
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- Definition
Dividend rights expired date. No definition available.
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| X | ||||||||||
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- Definition
Market value multiplier. No definition available.
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| X | ||||||||||
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- Definition
Number of business days. No definition available.
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| X | ||||||||||
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- Definition
Number of preferred share purchase right. No definition available.
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| X | ||||||||||
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- Definition
Number of votes. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The exercise price of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of voting rights of nonredeemable preferred stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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