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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2016
Income Tax Disclosure [Abstract] |
Summary Of Income (Loss) Before Income Taxes | Our income (loss) before income taxes consisted of the following:
| Year ended September 30,
| 2016 |  | 2015 |  | 2014
| (in thousands)
Domestic | $ | (156,166 | ) |  | $ | (110,867 | ) |  | $ | 17,038 |
Foreign | 88,974 |  |  | 137,392 |  |  | 169,074 |
Total income before income taxes | $ | (67,192 | ) |  | $ | 26,525 |  |  | $ | 186,112 |
Schedule Of Provision For (Benefit From) Income Taxes | Our (benefit) provision for income taxes consisted of the following:
| Year ended September 30,
| 2016 |  | 2015 |  | 2014
| (in thousands)
Current: |  |  |  |  |
Federal | $ | 2,417 |  |  | $ | 3,907 |  |  | $ | 12,792 |
State | 571 |  |  | 599 |  |  | 2,062 |
Foreign | 28,467 |  |  | 23,823 |  |  | 31,010 |
| 31,455 |  |  | 28,329 |  |  | 45,864 |
Deferred: |  |  |  |  |
Federal | 965 |  |  | (20,809 | ) |  | (13,200 | )
State | 515 |  |  | (566 | ) |  | (2,085 | )
Foreign | (45,662 | ) |  | (27,986 | ) |  | (4,661 | )
| (44,182 | ) |  | (49,361 | ) |  | (19,946 | )
Total provision (benefit) for income taxes | $ | (12,727 | ) |  | $ | (21,032 | ) |  | $ | 25,918 |
Summary Of Federal Income Tax Rate And Effective Income Tax Rate | The reconciliation between the statutory federal income tax rate and our effective income tax rate is shown below:
| Year ended September 30,
| 2016 |  | 2015 |  | 2014
Statutory federal income tax rate | (35 | )% |  | 35 | % |  | 35 | %
Change in valuation allowance | 57 | % |  | 63 | % |  | (11 | )%
State income taxes, net of federal tax benefit | — | % |  | 7 | % |  | 1 | %
Federal and state research and development credits | (9 | )% |  | (8 | )% |  | — | %
Resolution of uncertain tax positions | — | % |  | (11 | )% |  | — | %
Foreign rate differences | (41 | )% |  | (213 | )% |  | (19 | )%
Foreign withholding tax | 3 | % |  | 14 | % |  | 3 | %
U.S. permanent items | 4 | % |  | 34 | % |  | 4 | %
Other, net | 2 | % |  | — | % |  | 1 | %
Effective income tax rate | (19 | )% |  | (79 | )% |  | 14 | %
Schedule Of Deferred Tax Assets And Liabilities | The significant temporary differences that created deferred tax assets and liabilities are shown below:
| September 30,
| 2016 |  | 2015
| (in thousands)
Deferred tax assets (1): |  |  |
Net operating loss carryforwards | $ | 100,033 |  |  | $ | 71,533 |
Foreign tax credits | 18,041 |  |  | 15,962 |
Capitalized research and development expense | 22,504 |  |  | 31,690 |
Pension benefits | 14,348 |  |  | 11,009 |
Deferred revenue | 65,145 |  |  | 71,399 |
Stock-based compensation | 19,846 |  |  | 16,777 |
Other reserves not currently deductible | 25,993 |  |  | 21,940 |
Amortization of intangible assets | 54,069 |  |  | 62,227 |
Other tax credits | 41,381 |  |  | 37,270 |
Depreciation | 3,002 |  |  | 3,465 |
Capital loss carryforward | 8,019 |  |  | 8,040 |
Deferred interest | 7,622 |  |  | 3,557 |
Other | 14,778 |  |  | 6,559 |
Gross deferred tax assets | 394,781 |  |  | 361,428 |
Valuation allowance | (235,503 | ) |  | (198,168 | )
Total deferred tax assets | 159,278 |  |  | 163,260 |
Deferred tax liabilities (1): |  |  |
Acquired intangible assets not deductible | (78,663 | ) |  | (124,401 | )
Pension prepayments | (542 | ) |  | (395 | )
Deferred revenue | (2,039 | ) |  | (3,110 | )
Other | (2,092 | ) |  | (3,598 | )
Total deferred tax liabilities | (83,336 | ) |  | (131,504 | )
Net deferred tax assets | $ | 75,942 |  |  | $ | 31,756 |
(1) See Note B. Recent Accounting Pronouncements-Deferred Taxes regarding a change in the balance sheet classification of our deferred taxes.
Summary Of Valuation Allowance | The changes to the valuation allowance were primarily due to:
| Year ended September 30,
| 2016 |  | 2015 |  | 2014
| (in millions)
Valuation allowance beginning of year | $ | 198.2 |  |  | $ | 177.5 |  |  | $ | 156.5 |
Net release of valuation allowance (1) | (3.1 | ) |  | (18.7 | ) |  | (18.1 | )
Net increase/decrease in deferred tax assets with a full valuation allowance | 39.8 |  |  | 39.4 |  |  | 14.1 |
Establish valuation allowance for acquired businesses | — |  |  | — |  |  | 21.5 |
Establish valuation allowance in foreign jurisdictions | 0.6 |  |  | — |  |  | 3.5 |
Valuation allowance end of year | $ | 235.5 |  |  | $ | 198.2 |  |  | $ | 177.5 |
(1) | In 2016, this is attributable to the release in two foreign jurisdictions. In 2015, this is attributable to a reduction in deferred tax assets associated with our U.S. pension plan, both of which are described above and in 2014 the recognition of deferred tax liabilities recorded in connection with accounting for acquisitions.
Schedule Of Unrecognized Tax Benefit |
| Year ended September 30,
Unrecognized tax benefits | 2016 |  | 2015 |  | 2014
| (in millions)
Unrecognized tax benefit beginning of year | $ | 14.1 |  |  | $ | 15.0 |  |  | $ | 13.7 |
Tax positions related to current year: |  |  |  |  |
Additions | 1.0 |  |  | 1.3 |  |  | 2.2 |
Tax positions related to prior years: |  |  |  |  |
Additions | 0.4 |  |  | 0.8 |  |  | 0.3 |
Reductions | — |  |  | (3.0 | ) |  | (0.1 | )
Settlements | — |  |  | — |  |  | (0.6 | )
Statute expirations | — |  |  | — |  |  | (0.5 | )
Unrecognized tax benefit end of year | $ | 15.5 |  |  | $ | 14.1 |  |  | $ | 15.0 |
Summary Of Income Tax Examinations Years | As of September 30, 2016, we remained subject to examination in the following major tax jurisdictions for the tax years indicated:
Major Tax Jurisdiction |  | Open Years
United States |  | 2014 through 2016
Germany |  | 2011 through 2016
France |  | 2013 through 2016
Japan |  | 2011 through 2016
Ireland |  | 2012 through 2016

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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