POSTRETIREMENT BENEFITS AND EMPLOYEE STOCK OWNERSHIP PLAN - TARGET AND ACTUAL ASSET ALLOCATION (DETAILS)	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Pension Benefits
Target Asset Allocation
Cash	2.00%
Equity securities	47.00%
Debt securities	51.00%
TOTAL	100.00%
Asset Allocation
Equity securities	46.00%	43.00%
Debt securities	52.00%	53.00%
Cash	2.00%	4.00%
TOTAL	100.00%	100.00%
Other Retiree Benefits
Target Asset Allocation
Cash	2.00%
Equity securities	90.00%
Debt securities	8.00%
TOTAL	100.00%
Asset Allocation
Equity securities	91.00%	91.00%
Debt securities	8.00%	9.00%
Cash	1.00%	0.00%
TOTAL	100.00%	100.00%

Defined Benefit Plan, Assets Target Allocations, Total

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The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

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Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

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The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of total plan assets held as of the measurement date.

+ References

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