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Schedule of Stock Repurchases (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Stockholders Equity [Line Items]
Common stock and additional paid-in-capital reductions	$ 10,196	$ 29,940
Charges to retained earnings	$ 35,433	$ 72,376
Common Stock
Stockholders Equity [Line Items]
Shares purchased and retired	1,218	3,806

X

- Definition

Amount Charged To Retained Earnings As A Result Of Stock Repurchases.

+ References

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- Definition

Amount Of Reduction In Common Stock As A Result Of Stock Repurchases

+ References

No definition available.

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X

- Definition

Number of shares that have been repurchased and retired during the period.

+ 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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