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Stock-Based Compensation (Summary of Incentive Equity Awards) (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | |||||||||||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2010
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Intrinsic values of stock options exercised | $ 9.7 | $ 8.7 | $ 10.1 | |||||||||
| Outstanding "in the money" stock options fiscal year-end share price | $ 21.27 | |||||||||||
| Shares, outstanding | 8,300,000 | |||||||||||
| Outstanding "in the money" stock options aggregate intrinsic value | 30.3 | |||||||||||
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Time-Based Restricted Stock Units [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Weighted-Average Value, Beginning balance | $ 20.19 | $ 16.52 | $ 16.35 | |||||||||
| Weighted-Average Value, Granted | $ 18.37 | $ 21.59 | $ 18.65 | |||||||||
| Weighted-Average Value, Vesting of restricted stock units | $ 18.68 | [1] | $ 14.22 | [1] | $ 17.88 | [1] | ||||||
| Weighted-Average Value, Expired/forfeited | $ 19.91 | $ 19.40 | $ 21.51 | |||||||||
| Weighted-Average Value, Ending balance | $ 19.61 | [2] | $ 20.19 | $ 16.52 | ||||||||
| Number of Shares, Beginning balance | 1,932,003 | 1,884,170 | 1,958,112 | |||||||||
| Number of Shares, Granted | 1,142,616 | 1,044,004 | 1,005,598 | |||||||||
| Number of Shares, Vesting of restricted stock units | (887,892) | [1] | (901,654) | [1] | (982,805) | [1] | ||||||
| Number of Shares, Expired/forfeited | (161,158) | (94,517) | (96,735) | |||||||||
| Number of Shares, Ending balance | 2,025,569 | [2] | 1,932,003 | 1,884,170 | ||||||||
| Intrinsic values of Time-Based restricted stock units | 20.9 | 20.6 | 20.8 | |||||||||
| Share price | $ 21.27 | |||||||||||
| Shares | 2,000,000 | |||||||||||
| Aggregate intrinsic value | 42.2 | |||||||||||
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Performance-Based Restricted Stock Units [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Weighted-Average Value, Beginning balance | $ 20.18 | $ 16.45 | $ 15.72 | |||||||||
| Weighted-Average Value, Granted | $ 17.61 | $ 21.64 | $ 18.64 | |||||||||
| Weighted-Average Value, Vesting of restricted stock units | $ 18.68 | [1] | $ 14.03 | [1] | $ 18.34 | [1] | ||||||
| Weighted-Average Value, Expired/forfeited | $ 18.73 | $ 16.27 | ||||||||||
| Weighted-Average Value, Ending balance | $ 20.39 | [2] | $ 20.18 | $ 16.45 | ||||||||
| Number of Shares, Beginning balance | 708,724 | 670,859 | 533,400 | |||||||||
| Number of Shares, Granted | 342,628 | 359,253 | 407,043 | |||||||||
| Number of Shares, Vesting of restricted stock units | (279,028) | [1] | (321,388) | [1] | (266,634) | [1] | ||||||
| Number of Shares, Expired/forfeited | (69,129) | (2,950) | ||||||||||
| Number of Shares, Ending balance | 703,195 | [2] | 708,724 | 670,859 | ||||||||
| Intrinsic values of Time-Based restricted stock units | 6.7 | 7.4 | 5.7 | |||||||||
| Share price | $ 21.27 | |||||||||||
| Shares | 600,000 | |||||||||||
| Aggregate intrinsic value | $ 12.1 | |||||||||||
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Stock Options [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Weighted-Average Value, Beginning balance | $ 18.94 | $ 19.33 | $ 18.86 | |||||||||
| Weighted-Average Value, Granted | $ 24.01 | $ 22.53 | $ 22.94 | |||||||||
| Weighted-Average Value, Exercise of stock options | $ 18.52 | [3] | $ 19.22 | [3] | $ 18.46 | [3] | ||||||
| Weighted-Average Value, Expired/forfeited | $ 20.03 | $ 24.05 | $ 19.93 | |||||||||
| Weighted-Average Value, Ending balance | $ 19.42 | [2] | $ 18.94 | $ 19.33 | ||||||||
| Number of Shares, Beginning balance | 13,774,726 | 17,369,212 | 18,659,152 | |||||||||
| Number of Shares, Granted | 1,057,538 | 284,150 | 1,751,500 | |||||||||
| Number of Options, Exercise of stock options | (2,151,613) | [3] | (2,488,648) | [3] | (2,905,972) | [3] | ||||||
| Number of Shares, Expired/forfeited | (299,163) | (1,389,988) | (135,468) | |||||||||
| Number of Shares, Ending balance | 12,381,488 | [2] | 13,774,726 | 17,369,212 | ||||||||
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