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Stock-Based Compensation (Exercise Price Range) (Details) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Sep. 30, 2012
$2.40 - $8.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 2.4
Exercise Price Range, Upper Range | $ 8.00
Options Outstanding | 178
Weighted Average Remaining Contractual Term | 3 years 9 months 7 days
Weighted Average Exercise Price, Options Outstanding | $ 6.94
Number of Shares Vested, Options Exercisable | 178
Weighted Average Exercise Price, Options Exercisable | $ 6.94
$8.01 - $9.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 8.01
Exercise Price Range, Upper Range | $ 9.00
Options Outstanding | 1,262
Weighted Average Remaining Contractual Term | 6 years 8 months 12 days
Weighted Average Exercise Price, Options Outstanding | $ 8.22
Number of Shares Vested, Options Exercisable | 1,019
Weighted Average Exercise Price, Options Exercisable | $ 8.25
$9.01 - $10.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 9.01
Exercise Price Range, Upper Range | $ 10.00
Options Outstanding | 1,262
Weighted Average Remaining Contractual Term | 7 years 0 months 14 days
Weighted Average Exercise Price, Options Outstanding | $ 9.68
Number of Shares Vested, Options Exercisable | 730
Weighted Average Exercise Price, Options Exercisable | $ 9.71
$10.01 - $11.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 10.01
Exercise Price Range, Upper Range | $ 11.00
Options Outstanding | 1,247
Weighted Average Remaining Contractual Term | 7 years 4 months 27 days
Weighted Average Exercise Price, Options Outstanding | $ 10.65
Number of Shares Vested, Options Exercisable | 425
Weighted Average Exercise Price, Options Exercisable | $ 10.68
$11.01 - $13.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 11.01
Exercise Price Range, Upper Range | $ 13
Options Outstanding | 635
Weighted Average Remaining Contractual Term | 4 years 10 months 17 days
Weighted Average Exercise Price, Options Outstanding | $ 12.34
Number of Shares Vested, Options Exercisable | 523
Weighted Average Exercise Price, Options Exercisable | $ 12.51
$13.01 - $15.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 13.01
Exercise Price Range, Upper Range | $ 15.00
Options Outstanding | 677
Weighted Average Remaining Contractual Term | 3 years 11 months 12 days
Weighted Average Exercise Price, Options Outstanding | $ 13.98
Number of Shares Vested, Options Exercisable | 630
Weighted Average Exercise Price, Options Exercisable | $ 13.92
$15.01 - $16.88 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 15.01
Exercise Price Range, Upper Range | $ 16.88
Options Outstanding | 493
Weighted Average Remaining Contractual Term | 4 years 9 months 14 days
Weighted Average Exercise Price, Options Outstanding | $ 15.27
Number of Shares Vested, Options Exercisable | 493
Weighted Average Exercise Price, Options Exercisable | $ 15.27
$2.40 - $16.88 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price Range, Lower Range | $ 2.40
Exercise Price Range, Upper Range | $ 16.88
Options Outstanding | 5,754
Weighted Average Remaining Contractual Term | 6 years 1 month 24 days
Weighted Average Exercise Price, Options Outstanding | $ 10.76
Number of Shares Vested, Options Exercisable | 3,998
Weighted Average Exercise Price, Options Exercisable | $ 11.03

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- Definition Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Number of Options Vested + References No definition available. + 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 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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a, b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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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- 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=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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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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