Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2013
Commitments and Contingencies (Textuals) [Abstract]
Duration of bonds	20 years
Cuyahoga County and the Cleveland Cuyahoga County Port Authority [Member]
Guarantor Obligations [Line Items]
Repayment Guarantee of taxable development revenue bond	$ 4,300

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant