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Property and Equipment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Property and equipment |  |  |
Property and equipment, gross | $ 722,100 | $ 663,100 |
Accumulated depreciation and amortization | (440,100) | (392,400) |
Property and equipment, net | 281,979 | 270,672 |
Depreciation expense | 69,100 | 70,700 | $ 77,100
Amortization of capitalized software costs | 7,300 | 6,400 | 6,200
Unamortized capitalized software costs | $ 39,900 | 29,600 | $ 24,100
Minimum |  |  |
Property and equipment |  |  |
Useful Lives | 3 years |  |
Maximum |  |  |
Property and equipment |  |  |
Useful Lives | 10 years |  |
Parent |  |  |
Property and equipment |  |  |
Property and equipment, net | $ 53,600 | 42,300 |
Land, Buildings and Improvements [Member] |  |  |
Property and equipment |  |  |
Property and equipment, gross | $ 11,500 | 4,400 |
Useful Lives | 27 years |  |
Leasehold Improvements [Member] |  |  |
Property and equipment |  |  |
Property and equipment, gross | $ 299,700 | 289,900 |
Leasehold Improvements [Member] | Minimum |  |  |
Property and equipment |  |  |
Useful Lives | 2 years |  |
Leasehold Improvements [Member] | Maximum |  |  |
Property and equipment |  |  |
Useful Lives | 12 years |  |
Computer Equipment [Member] |  |  |
Property and equipment |  |  |
Property and equipment, gross | $ 302,600 | 257,000 |
Computer Equipment [Member] | Minimum |  |  |
Property and equipment |  |  |
Useful Lives | 3 years |  |
Computer Equipment [Member] | Maximum |  |  |
Property and equipment |  |  |
Useful Lives | 10 years |  |
Furniture and Fixtures [Member] |  |  |
Property and equipment |  |  |
Property and equipment, gross | $ 101,500 | 106,400 |
Furniture and Fixtures [Member] | Minimum |  |  |
Property and equipment |  |  |
Useful Lives | 5 years |  |
Furniture and Fixtures [Member] | Maximum |  |  |
Property and equipment |  |  |
Useful Lives | 10 years |  |
Automobiles [Member] |  |  |
Property and equipment |  |  |
Property and equipment, gross | $ 6,800 | $ 5,400 |
Automobiles [Member] | Minimum |  |  |
Property and equipment |  |  |
Useful Lives | 3 years |  |
Automobiles [Member] | Maximum |  |  |
Property and equipment |  |  |
Useful Lives | 10 years |  |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 + Details
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- Definition For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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