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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2012
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) | The provision (benefit) for income taxes from continuing operations consists of the following (in thousands):
| Fiscal Year Ended September 30,
| 2012 |  | 2011 |  | 2010
Current federal | $ | (34,242 | ) |  | $ | (1,963 | ) |  | $ | (4,528 | )
Current state | (143 | ) |  | 319 |  |  | 65 |
Deferred federal | (5,964 | ) |  | 3,728 |  |  | (114,151 | )
Deferred state | 2 |  |  | 1,282 |  |  | 259 |
Total | $ | (40,347 | ) |  | $ | 3,366 |  |  | $ | (118,355 | )
Schedule of Effective Income Tax Rate Reconciliation | The provision (benefit) for income taxes from continuing operations differs from the amount computed by applying the federal income tax statutory rate as follows (in thousands):
| Fiscal Year Ended September 30,
| 2012 |  | 2011 |  | 2010
Income tax computed at statutory rate | $ | (61,590 | ) |  | $ | (68,886 | ) |  | $ | (51,774 | )
State income taxes, net of federal benefit | (6,055 | ) |  | (4,613 | ) |  | (5,756 | )
Valuation allowance | 59,601 |  |  | 74,047 |  |  | (65,689 | )
(Decrease) increase in unrecognized tax benefits | (32,441 | ) |  | 1,511 |  |  | 3,108 |
Other, net | 138 |  |  | 1,307 |  |  | 1,756 |
Total | $ | (40,347 | ) |  | $ | 3,366 |  |  | $ | (118,355 | )
Schedule of Deferred Tax Assets and Liabilities | The tax effects of significant temporary differences that give rise to the net deferred tax assets are as follows (in thousands):
| September 30, 2012 |  | September 30, 2011
Deferred tax assets: |  |  |
Warranty and other reserves | $ | 12,408 |  |  | $ | 11,752 |
Incentive compensation | 16,285 |  |  | 15,338 |
Property, equipment and other assets | 2,647 |  |  | 2,734 |
Federal and state tax carryforwards | 365,283 |  |  | 305,909 |
Inventory adjustments | 133,843 |  |  | 143,746 |
Uncertain tax positions | 16,331 |  |  | 45,303 |
Other | 4,285 |  |  | 11,315 |
Total deferred tax assets | 551,082 |  |  | 536,097 |
Deferred tax liabilities: |  |  |
Deferred revenues | (56,017 | ) |  | (54,052 | )
Total deferred tax liabilities | (56,017 | ) |  | (54,052 | )
Net deferred tax assets before valuation allowance | 495,065 |  |  | 482,045 |
Valuation allowance | (488,217 | ) |  | (479,285 | )
Net deferred tax assets | $ | 6,848 |  |  | $ | 2,760 |
Considering the limitation imposed by Section 382, the table below depicts the classifications of our deferred tax assets:
| September 30, 2012
| (in thousands)
Deferred tax assets: |
Subject to annual limitation | $ | 87,441 |
Generally not subject to annual limitation | 345,839 |
Certain components likely to be subject to annual limitation | 117,802 |
Total deferred tax assets | 551,082 |
Deferred tax liabilities | (56,017 | )
Net deferred tax assets before valuation allowance | 495,065 |
Valuation allowance | (488,217 | )
Net deferred tax assets | $ | 6,848 |
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of unrecognized tax benefits at the beginning and end of fiscal 2012, 2011 and 2010 is as follows (in thousands):
| Fiscal Year Ended September 30,
| 2012 |  | 2011 |  | 2010
Balance at beginning of year | $ | 46,648 |  |  | $ | 47,271 |  |  | $ | 41,848 |
Additions for (reductions in) tax positions related to current year | 903 |  |  | (1,624 | ) |  | (3,435 | )
Additions for tax positions related to prior years | — |  |  | 1,563 |  |  | 11,533 |
Reductions for tax positions of prior years | (27,181 | ) |  | (252 | ) |  | (289 | )
Settlements with taxing authorities | — |  |  | (310 | ) |  | (319 | )
Lapse of statute of limitations | (740 | ) |  | — |  |  | (2,067 | )
Balance at end of year | $ | 19,630 |  |  | $ | 46,648 |  |  | $ | 47,271 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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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 the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=21917533&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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