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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Stock Repurchase (Details)		9 Months Ended	12 Months Ended
	Apr. 15, 2015 shares	Mar. 31, 2016 Members	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) Members	Feb. 01, 2016 USD ($)	Mar. 13, 2015 USD ($)
share repurchase [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 11,049,000
Treasury Stock Acquired, Average Cost Per Share | $ / shares			$ 13.82
Repurchase Units, Number | Members		3		0
Repurchase Dealers, Number | Members		2
Stock Repurchased During Period, Value			$ 3,984,000	$ 71,523,000
LLC Units [Member]
share repurchase [Line Items]
Common Unit, Canceled | shares			287,346
Common Stock [Member]
share repurchase [Line Items]
Stock Repurchase Program, Authorized Amount					$ 15,000	$ 70,000,000
Stock Repurchased During Period, Shares | shares	3,333,333		287,346
Additional Paid-in Capital [Member]
share repurchase [Line Items]
Stock Repurchased During Period, Value			$ 3,981,000

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Repurchase Dealers, Number

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[Line Items] for share repurchase [Table]

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Total cost of shares repurchased divided by the total number of shares repurchased.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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