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Stockholders' Equity (Summary of Activity for Stock Option Awards) (Details) - Stock Options [Member] - $ / shares shares in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options, beginning balance | 5,623 | 5,387
Options granted, Number of options | 280 | 909
Options exercised, Number of options | (66) | (429)
Options expired, Number of options | (3) | (3)
Options forfeited, Number of options | (57) | (87)
Number of options, ending balance | 5,777 | 5,777
Weighted Average Exercise Price Per Share, beginning balance | $ 60.50 | $ 53.73
Options granted, Weighted Average Exercise Price Per Share | 58.40 | 90.57
Options exercised, Weighted Average Exercise Price Per Share | 31.15 | 34.44
Options expired, Weighted Average Exercise Price Per Share | 70.89 | 70.89
Options forfeited, Weighted Average Exercise Price Per Share | 103.58 | 96.52
Weighted Average Exercise Price Per Share, ending balance | $ 60.31 | $ 60.31

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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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