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Stockholders' Equity (Components Of Accumulated Other Comprehensive Loss, Net Of Taxes) (Details) (USD $)
In Thousands, unless otherwise specified |
Apr. 14, 2013
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Sep. 30, 2012
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|---|---|---|
| Stockholders' Equity Note [Abstract] | ||
| Unrecognized periodic benefit costs, net of tax benefits of $79,704 and $83,605, respectively | $ (128,239) | $ (134,513) |
| Net unrealized losses related to cash flow hedges, net of tax benefits of $689 and $933, respectively | (1,110) | (1,500) |
| Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax | 5 | 0 |
| Accumulated other comprehensive loss, net | (129,344) | (136,013) |
| Unrecognized periodic benefit costs, tax benefits | 79,704 | 83,605 |
| Net unrealized losses related to cash flow hedges, tax benefits | 689 | 933 |
| Translation Adjustment Functional to Reporting Currency, Tax Benefit (Expense) | $ 2 | $ 0 |