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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, 2019 $ / 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 | 533
Weighted Average Remaining Contractual Term | 3 years 3 months 10 days
Weighted Average Exercise Price, Options Outstanding | $ 8.20
Number of Shares Vested, Options Exercisable | shares | 524
Weighted Average Exercise Price, Options Exercisable | $ 8.18
$9.04 - $9.95 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.04
Exercise Price Range, Upper Range | $ 9.95
Options Outstanding | shares | 507
Weighted Average Remaining Contractual Term | 2 years 4 months 13 days
Weighted Average Exercise Price, Options Outstanding | $ 9.65
Number of Shares Vested, Options Exercisable | shares | 460
Weighted Average Exercise Price, Options Exercisable | $ 9.64
$9.96 - $10.40 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.96
Exercise Price Range, Upper Range | $ 10.40
Options Outstanding | shares | 481
Weighted Average Remaining Contractual Term | 5 years 2 months 1 day
Weighted Average Exercise Price, Options Outstanding | $ 10.34
Number of Shares Vested, Options Exercisable | shares | 215
Weighted Average Exercise Price, Options Exercisable | $ 10.34
$10.41 - $11.23 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 10.41
Exercise Price Range, Upper Range | $ 11.23
Options Outstanding | shares | 649
Weighted Average Remaining Contractual Term | 3 years 6 months 21 days
Weighted Average Exercise Price, Options Outstanding | $ 10.94
Number of Shares Vested, Options Exercisable | shares | 416
Weighted Average Exercise Price, Options Exercisable | $ 10.78
$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 | 676
Weighted Average Remaining Contractual Term | 4 years 10 months 6 days
Weighted Average Exercise Price, Options Outstanding | $ 12.09
Number of Shares Vested, Options Exercisable | shares | 329
Weighted Average Exercise Price, Options Exercisable | $ 12.31
$12.64 - $13.76 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 12.64
Exercise Price Range, Upper Range | $ 13.76
Options Outstanding | shares | 491
Weighted Average Remaining Contractual Term | 4 years 10 months 13 days
Weighted Average Exercise Price, Options Outstanding | $ 13.57
Number of Shares Vested, Options Exercisable | shares | 254
Weighted Average Exercise Price, Options Exercisable | $ 13.50
$13.77 - $14.75 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 13.77
Exercise Price Range, Upper Range | $ 14.75
Options Outstanding | shares | 11
Weighted Average Remaining Contractual Term | 1 year 9 months 25 days
Weighted Average Exercise Price, Options Outstanding | $ 14.75
Number of Shares Vested, Options Exercisable | shares | 11
Weighted Average Exercise Price, Options Exercisable | $ 14.75
$7.40 - $14.75 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 7.40
Exercise Price Range, Upper Range | $ 14.75
Options Outstanding | shares | 3,348
Weighted Average Remaining Contractual Term | 4 years 3 days
Weighted Average Exercise Price, Options Outstanding | $ 10.85
Number of Shares Vested, Options Exercisable | shares | 2,209
Weighted Average Exercise Price, Options Exercisable | $ 10.45

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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://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=116856206&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=116856206&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=116856206&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=116856206&loc=d3e5070-113901 + Details
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