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Awards Granted to Company Employees and Non-employee Directors Under the 2007 Equity Incentive Compensation Plan (Detail) (USD $)
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9 Months Ended | |||
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Jun. 30, 2013
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Non-qualified stock options
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted | 579,318 | |||
| Weighted-Average Grant Date Fair Value | $ 39.03 | |||
| Weighted-Average Exercise Price | $ 147.37 | |||
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Restricted stock awards (RSAs)
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted | 891,360 | |||
| Weighted-Average Grant Date Fair Value | $ 146.96 | |||
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Restricted stock units (RSUs)
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted | 326,746 | |||
| Weighted-Average Grant Date Fair Value | $ 145.83 | |||
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Performance-based shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted | 230,518 | [1] | ||
| Weighted-Average Grant Date Fair Value | $ 164.14 | [1] | ||
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