Summary of the Status and Changes of Shares Subject to Stock Option and SAR Awards and the Related Average Price Per Share (Detail) (USD $)	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Number of Shares
Nonvested June 30, 2010	5,586,873
Granted	1,399,068
Vested	(2,798,791)
Canceled	(67,445)
Nonvested June 30, 2011	4,119,705	5,586,873
Weighted-Average Grant Date Fair Value
Nonvested June 30, 2010	$ 16.10
Granted	$ 18.70	$ 15.77	$ 16.56
Vested	$ 16.31
Canceled	$ 16.36
Nonvested June 30, 2011	$ 16.84	$ 16.10

Share based Compensation Arrangement by Share based Payment Award, Nonvested Options, Forfeitures in Period

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- Definition

Share based Compensation Arrangement by Share based Payment Award, Nonvested Options, Grants in Period

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Outstanding, Number

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Vested in Period

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Weighted Average Grant Date Fair Value

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Grant Date Fair Value

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- Definition

Share based Compensation Arrangement by Share based Payment Award, Options, Nonvested [Roll Forward]

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Weighted Average Grant Date Fair Value

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph c(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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