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Common Stock Repurchases (Details) (USD $)	0 Months Ended		9 Months Ended
	Mar. 31, 2015	Nov. 04, 2013	Mar. 31, 2015	Mar. 31, 2014
Authorized share repurchased amount
Share repurchase term		2 years
Amount paid to repurchase common stock			$ 26,452,000us-gaap_PaymentsForRepurchaseOfCommonStock	$ 26,624,000us-gaap_PaymentsForRepurchaseOfCommonStock
Common stock repurchase (in shares)	3,502,598us-gaap_TreasuryStockSharesAcquired		1,307,402us-gaap_TreasuryStockSharesAcquired
Common stock repurchase, average price (in dollars per share)	$ 21.41us-gaap_TreasuryStockAcquiredAverageCostPerShare		$ 20.21us-gaap_TreasuryStockAcquiredAverageCostPerShare
Common stock amount yet to be repurchased under the plan	0us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1		0us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Maximum
Authorized share repurchased amount
Authorized share repurchased amount		75,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_RangeAxis = us-gaap_MaximumMember

X

- Definition

Period of time of common stock repurchased, in PnYnMnDTnHnMnS format, for example, P1Y5M13D represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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

+ References

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

-Publisher FASB

-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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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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