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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, 2021 $ / 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 | $ 9.35
Options Outstanding | shares | 463
Weighted Average Remaining Contractual Term | 1 year 3 months 3 days
Weighted Average Exercise Price, Options Outstanding | $ 8.44
Number of Shares Vested, Options Exercisable | shares | 463
Weighted Average Exercise Price, Options Exercisable | $ 8.44
$9.04 - $10.33 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.70
Exercise Price Range, Upper Range | $ 10.81
Options Outstanding | shares | 470
Weighted Average Remaining Contractual Term | 2 years
Weighted Average Exercise Price, Options Outstanding | $ 10.32
Number of Shares Vested, Options Exercisable | shares | 455
Weighted Average Exercise Price, Options Exercisable | $ 10.32
$10.35 - $11.23 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 10.96
Exercise Price Range, Upper Range | $ 11.87
Options Outstanding | shares | 463
Weighted Average Remaining Contractual Term | 3 years 7 months 20 days
Weighted Average Exercise Price, Options Outstanding | $ 11.55
Number of Shares Vested, Options Exercisable | shares | 323
Weighted Average Exercise Price, Options Exercisable | $ 11.57
$11.24 - $12.63 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 12.48
Exercise Price Range, Upper Range | $ 13.50
Options Outstanding | shares | 414
Weighted Average Remaining Contractual Term | 2 years 1 month 24 days
Weighted Average Exercise Price, Options Outstanding | $ 13.14
Number of Shares Vested, Options Exercisable | shares | 413
Weighted Average Exercise Price, Options Exercisable | $ 13.14
$12.64 - $13.92 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 13.76
Exercise Price Range, Upper Range | $ 16.75
Options Outstanding | shares | 453
Weighted Average Remaining Contractual Term | 5 years 7 months 20 days
Weighted Average Exercise Price, Options Outstanding | $ 15.28
Number of Shares Vested, Options Exercisable | shares | 93
Weighted Average Exercise Price, Options Exercisable | $ 13.81
$13.93 - $17.94 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 17.10
Exercise Price Range, Upper Range | $ 17.94
Options Outstanding | shares | 593
Weighted Average Remaining Contractual Term | 5 years 6 months 10 days
Weighted Average Exercise Price, Options Outstanding | $ 17.56
Number of Shares Vested, Options Exercisable | shares | 171
Weighted Average Exercise Price, Options Exercisable | $ 17.75
$17.95 - $18.20 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 18.20
Exercise Price Range, Upper Range | $ 25.15
Options Outstanding | shares | 96
Weighted Average Remaining Contractual Term | 6 years 2 months 12 days
Weighted Average Exercise Price, Options Outstanding | $ 21.63
Number of Shares Vested, Options Exercisable | shares | 9
Weighted Average Exercise Price, Options Exercisable | $ 18.20
$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 | $ 25.15
Options Outstanding | shares | 2,952
Weighted Average Remaining Contractual Term | 3 years 6 months 25 days
Weighted Average Exercise Price, Options Outstanding | $ 13.20
Number of Shares Vested, Options Exercisable | shares | 1,927
Weighted Average Exercise Price, Options Exercisable | $ 11.55

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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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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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