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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, 2015 $ / shares shares
$7.40 - $8.03 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 7.40
Exercise Price Range, Upper Range | $ 8.03
Options Outstanding | shares | 777
Weighted Average Remaining Contractual Term | 5 years 3 months 25 days
Weighted Average Exercise Price, Options Outstanding | $ 7.74
Number of Shares Vested, Options Exercisable | shares | 439
Weighted Average Exercise Price, Options Exercisable | $ 8.01
$8.04 - $9.35 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 8.04
Exercise Price Range, Upper Range | $ 9.35
Options Outstanding | shares | 1,006
Weighted Average Remaining Contractual Term | 6 years 1 month 6 days
Weighted Average Exercise Price, Options Outstanding | $ 8.79
Number of Shares Vested, Options Exercisable | shares | 521
Weighted Average Exercise Price, Options Exercisable | $ 8.98
$9.36 - $9.95 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.36
Exercise Price Range, Upper Range | $ 9.95
Options Outstanding | shares | 751
Weighted Average Remaining Contractual Term | 4 years 11 months 8 days
Weighted Average Exercise Price, Options Outstanding | $ 9.69
Number of Shares Vested, Options Exercisable | shares | 709
Weighted Average Exercise Price, Options Exercisable | $ 9.69
$9.96 - $10.81 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 9.96
Exercise Price Range, Upper Range | $ 10.81
Options Outstanding | shares | 1,119
Weighted Average Remaining Contractual Term | 6 years 18 days
Weighted Average Exercise Price, Options Outstanding | $ 10.66
Number of Shares Vested, Options Exercisable | shares | 724
Weighted Average Exercise Price, Options Exercisable | $ 10.68
$10.82 - $13.41 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 10.82
Exercise Price Range, Upper Range | $ 13.41
Options Outstanding | shares | 883
Weighted Average Remaining Contractual Term | 2 years
Weighted Average Exercise Price, Options Outstanding | $ 12.41
Number of Shares Vested, Options Exercisable | shares | 883
Weighted Average Exercise Price, Options Exercisable | $ 12.41
$13.42 - $14.75 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 13.42
Exercise Price Range, Upper Range | $ 14.75
Options Outstanding | shares | 27
Weighted Average Remaining Contractual Term | 3 years 2 months 19 days
Weighted Average Exercise Price, Options Outstanding | $ 14.35
Number of Shares Vested, Options Exercisable | shares | 27
Weighted Average Exercise Price, Options Exercisable | $ 14.35
$14.76 - $15.23 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 14.76
Exercise Price Range, Upper Range | $ 15.23
Options Outstanding | shares | 237
Weighted Average Remaining Contractual Term | 2 years 18 days
Weighted Average Exercise Price, Options Outstanding | $ 15.23
Number of Shares Vested, Options Exercisable | shares | 237
Weighted Average Exercise Price, Options Exercisable | $ 15.23
$7.40 - $15.23 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | 7.40
Exercise Price Range, Upper Range | $ 15.23
Options Outstanding | shares | 4,800
Weighted Average Remaining Contractual Term | 4 years 9 months 21 days
Weighted Average Exercise Price, Options Outstanding | $ 10.21
Number of Shares Vested, Options Exercisable | shares | 3,540
Weighted Average Exercise Price, Options Exercisable | $ 10.66

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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=6415400&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=6415400&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=6415400&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=6415400&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=6415400&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=6415400&loc=d3e5070-113901 + Details
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