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Commitments and Contingencies (Detail Textuals) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2012 Party	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Commitments And Contingencies [Line Items]
Operating leases, rent expense			$ 6,958	$ 6,084	$ 6,085
Number of potentially responsible parties	140
Term of employment and severance agreement			up to 15 months
Loss on insurance claim		(5,350)
Current And Long term Liabilities
Commitments And Contingencies [Line Items]
Accrual for environmental loss contingencies payments			7,273	8,292
C.P. Chemicals, Inc.
Commitments And Contingencies [Line Items]
Rate of investigation and remediation			50.00%
Environmental remediation expense			$ 175
Vulcan Corp.
Commitments And Contingencies [Line Items]
Rate of investigation and remediation			50.00%

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Represent amount of related to gain or loss in connection with settlement of insurance claim.

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Represents investigation and remediation costs percentage.

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Represents number of parties.

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Term of employment and severance agreement.

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No definition available.

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- Definition

The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q2)

-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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