Employee Benefit Plans - Target Plan Asset Allocation (Details)	12 Months Ended
Jun. 30, 2013
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	100.00%
U.S. Large Cap Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	35.80%
U.S. Small Cap Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	9.20%
International Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	15.00%
Debt Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	30.00%
Real Estate
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	10.00%

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration