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STOCK-BASED COMPENSATION - Exercise prices (Details) shares in Thousands | 12 Months Ended
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Sep. 30, 2018 $ / shares shares
Information about outstanding and exercisable stock options |
Outstanding Stock Options, Options at the end of the period (in shares) | shares | 3,499
Exercisable Stock Options, Options at the end of the period (in shares) | shares | 2,193
Range of Exercise Prices from $0.00 to $21.07 |
Information about outstanding and exercisable stock options |
Exercise price, low end of range (in dollars per share) | $ 0.000
Exercise price, high end of range (in dollars per share) | $ 21.070
Outstanding Stock Options, Options at the end of the period (in shares) | shares | 180
Outstanding Stock Options, Weighted-Average Remaining Life | 2 months 12 days
Outstanding Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 21.07
Exercisable Stock Options, Options at the end of the period (in shares) | shares | 180
Exercisable Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 21.07
Range of Exercise Prices from $21.07 to $59.76 |
Information about outstanding and exercisable stock options |
Exercise price, low end of range (in dollars per share) | 21.07
Exercise price, high end of range (in dollars per share) | $ 59.76
Outstanding Stock Options, Options at the end of the period (in shares) | shares | 2,417
Outstanding Stock Options, Weighted-Average Remaining Life | 5 years 10 months 24 days
Outstanding Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 55.16
Exercisable Stock Options, Options at the end of the period (in shares) | shares | 1,418
Exercisable Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 53.03
Range of Exercise Prices from $59.76 to $68.83 |
Information about outstanding and exercisable stock options |
Exercise price, low end of range (in dollars per share) | 59.76
Exercise price, high end of range (in dollars per share) | $ 68.83
Outstanding Stock Options, Options at the end of the period (in shares) | shares | 358
Outstanding Stock Options, Weighted-Average Remaining Life | 6 years 3 months 18 days
Outstanding Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 68.66
Exercisable Stock Options, Options at the end of the period (in shares) | shares | 275
Exercisable Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 68.83
Range of Exercise Prices from $68.83 to $81.31 |
Information about outstanding and exercisable stock options |
Exercise price, low end of range (in dollars per share) | 68.83
Exercise price, high end of range (in dollars per share) | $ 81.31
Outstanding Stock Options, Options at the end of the period (in shares) | shares | 544
Outstanding Stock Options, Weighted-Average Remaining Life | 7 years 1 month 6 days
Outstanding Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 79.79
Exercisable Stock Options, Options at the end of the period (in shares) | shares | 320
Exercisable Stock Options, Weighted-Average Exercise Price (in dollars per share) | $ 79.86

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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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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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