v2.4.0.8

Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2011
--- | --- | --- | --- | ---
Income Tax Disclosure [Abstract] |  |  |  |
Net operating loss carryforwards | $ 65,640 | $ 47,770 |  |
Foreign tax credits | 9,022 | 5,994 |  |
Capitalized research and development expense | 41,720 | 51,237 |  |
Pension benefits | 39,063 | 30,870 |  |
Deferred maintenance revenue | 67,433 | 63,976 |  |
Stock-based compensation | 16,744 | 18,045 |  |
Other reserves not currently deductible | 25,258 | 19,343 |  |
Amortization of intangible assets | 9,302 | 5,772 |  |
Other tax credits | 30,982 | 31,263 |  |
Depreciation | 3,157 | 3,077 |  |
Other | 8,218 | 4,396 |  |
Gross deferred tax assets | 316,539 | 281,743 |  |
Valuation allowance | (177,541) | (156,547) | (170,400) | (38,600)
Total deferred tax assets | 138,998 | 125,196 |  |
Acquired intangible assets not deductible | (110,003) | (88,134) |  |
Pension prepayments | (20,263) | (15,607) |  |
Deferred revenue | (1,446) | (12,592) |  |
Other | (4,484) | (4,463) |  |
Total deferred tax liabilities | 136,196 | 120,796 |  |
Net deferred tax assets | $ 2,802 | $ 4,400 |  |

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