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Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Oct. 31, 2016 | Jul. 31, 2016
Share-Based Compensation Arrangement By Share-Based Payment Award, Options Exercisable [Abstract] |  |
Options Exercised | 9,689,000 |
Weighted Average Exercise Price | $ 15.74 |
Common Stock |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options Exercisable [Abstract] |  |
Options Exercised | 9,000,000 | 1,130,000
Weighted Average Exercise Price | $ 15.39 | $ 18.64
Shares Net Settled for Exercise | 2,704,486 | 410,648
Shares Withheld for Taxes(1) | 2,627,661 | 293,152
Net Shares to Employees | 3,667,853 | 426,200
Weighted Average Share Price for Withholding | $ 51.23 | $ 51.30
Tax Withholding (in 000s) | $ 134,615 | $ 15,039

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- Definition Represents the number of net impact on number of shares settled resulting from exercise. + References No definition available. + Details
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- Definition Represents the number of shares withheld for taxes. + References No definition available. + Details
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- Definition Amount of Tax Expenses Paid by Company releated to the Share-based Compensation to the taxing authority. + References No definition available. + Details
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- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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