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v2.4.1.9

Share-Based Payments - Additional Information (Details) | 3 Months Ended
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Dec. 31, 2014
Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 3 years
Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 4 years
Restricted stock units subject to market conditions |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 3 years
Restricted stock units not subject to market conditions | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 3 years
Restricted stock units not subject to market conditions | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 4 years
2012 Long-Term Incentive Plan | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock option awards term | 7 years
1992 Long-Term Incentive Plan | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock option awards term | 10 years

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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