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Employee Benefit Plans - Plan's target asset allocations and weighted average asset allocation of plan assets (Details 5)		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation for 2015 minimum		10.00%
Target allocation for 2015 maximum		35.00%
Percentage of Plan Assets		19.00%	20.00%
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation for 2015 minimum		20.00%
Target allocation for 2015 maximum		50.00%
Percentage of Plan Assets		35.00%	35.00%
Global asset allocation/risk parity
Defined Benefit Plan Disclosure [Line Items]
Target allocation for 2015 minimum	[1]	20.00%
Target allocation for 2015 maximum	[1]	40.00%
Percentage of Plan Assets	[1]	35.00%	35.00%
Other
Defined Benefit Plan Disclosure [Line Items]
Target allocation for 2015 minimum		0.00%
Target allocation for 2015 maximum		25.00%
Percentage of Plan Assets		11.00%	10.00%
[1] The global asset allocation/risk parity category consists of a variety of asset classes including, but not limited to, global bonds, global equities, real estate and commodities.

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Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



-SubTopic 20



-Section 50



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+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



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