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Income Taxes (Schedule of Components of Deferred Income Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013
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Income Tax Disclosure [Abstract] |  |
Gross assets, current | $ 5,297 | $ 5,335
Gross liabilities, current |  | (845)
Net current deferred income tax asset | 5,297 | 4,490
Gross assets, noncurrent | 11,532 | 9,016
Gross liabilities, noncurrent | (110) |
Net noncurrent deferred income tax asset | 11,422 | 9,016
Net deferred income tax asset | $ 16,719 | $ 13,506

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31931-109318 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31938-109318 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Asset -URI http://asc.fasb.org/extlink&oid=6510090 + Details
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