v3.8.0.1

Stock-Based Compensation Plans - Schedule of Fair Value at the Date of Grant (Detail) | 12 Months Ended
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Sep. 30, 2017 shares
Fiscal 2015 (2015 - 2017) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Minimum Shares | 8,440
Target Shares | 42,199
Maximum Shares | 84,398
Fiscal 2016 (2016 - 2018) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Minimum Shares | 13,268
Target Shares | 66,338
Maximum Shares | 132,676
Fiscal 2017 (2017 - 2019) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Minimum Shares | 10,437
Target Shares | 52,185
Maximum Shares | 104,370

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- Definition Maximum number of performance shares to be awarded based on performance criteria set as part of the performance share award program. + References No definition available. + Details
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- Definition Minimum number of performance shares to be awarded based on performance criteria set as part of the performance share award program. + References No definition available. + Details
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- Definition Shares that would be issued under performance share award agreements based on achievement at target levels. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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