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Stock-Based Compensation (Exercise Price Range) (Details) - Stock Options shares in Thousands | 12 Months Ended
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Sep. 30, 2020 $ / shares shares
$7.40 - $9.03 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 7.40
Exercise Price Range, Upper Range | $ 9.03
Options Outstanding | shares | 485
Weighted Average Remaining Contractual Term | 2 years 3 months 29 days
Weighted Average Exercise Price, Options Outstanding | $ 8.22
Number of Shares Vested, Options Exercisable | shares | 485
Weighted Average Exercise Price, Options Exercisable | $ 8.22
$9.04 - $10.33 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.04
Exercise Price Range, Upper Range | $ 10.33
Options Outstanding | shares | 542
Weighted Average Remaining Contractual Term | 3 years 7 months 9 days
Weighted Average Exercise Price, Options Outstanding | $ 10.04
Number of Shares Vested, Options Exercisable | shares | 427
Weighted Average Exercise Price, Options Exercisable | $ 9.98
$10.35 - $11.23 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 10.35
Exercise Price Range, Upper Range | $ 11.23
Options Outstanding | shares | 602
Weighted Average Remaining Contractual Term | 3 years 5 months 1 day
Weighted Average Exercise Price, Options Outstanding | $ 10.94
Number of Shares Vested, Options Exercisable | shares | 405
Weighted Average Exercise Price, Options Exercisable | $ 10.86
$11.24 - $12.63 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 11.24
Exercise Price Range, Upper Range | $ 12.63
Options Outstanding | shares | 620
Weighted Average Remaining Contractual Term | 3 years 9 months 14 days
Weighted Average Exercise Price, Options Outstanding | $ 12.08
Number of Shares Vested, Options Exercisable | shares | 448
Weighted Average Exercise Price, Options Exercisable | $ 12.17
$12.64 - $13.92 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 12.64
Exercise Price Range, Upper Range | $ 13.92
Options Outstanding | shares | 573
Weighted Average Remaining Contractual Term | 4 years 5 months 23 days
Weighted Average Exercise Price, Options Outstanding | $ 13.65
Number of Shares Vested, Options Exercisable | shares | 339
Weighted Average Exercise Price, Options Exercisable | $ 13.53
$13.93 - $17.94 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 13.93
Exercise Price Range, Upper Range | $ 17.94
Options Outstanding | shares | 536
Weighted Average Remaining Contractual Term | 6 years 18 days
Weighted Average Exercise Price, Options Outstanding | $ 17.62
Number of Shares Vested, Options Exercisable | shares | 11
Weighted Average Exercise Price, Options Exercisable | $ 14.75
$17.95 - $18.20 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 17.95
Exercise Price Range, Upper Range | $ 18.20
Options Outstanding | shares | 35
Weighted Average Remaining Contractual Term | 6 years 1 month 20 days
Weighted Average Exercise Price, Options Outstanding | $ 18.20
Number of Shares Vested, Options Exercisable | shares | 0
Weighted Average Exercise Price, Options Exercisable | $ 0
$7.40 - $18.20 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 7.40
Exercise Price Range, Upper Range | $ 18.20
Options Outstanding | shares | 3,393
Weighted Average Remaining Contractual Term | 3 years 11 months 23 days
Weighted Average Exercise Price, Options Outstanding | $ 12.20
Number of Shares Vested, Options Exercisable | shares | 2,115
Weighted Average Exercise Price, Options Exercisable | $ 10.80

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&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://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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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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