Stockholders' Equity (Components Of Accumulated Other Comprehensive Loss, Net Of Taxes) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 14, 2013	Sep. 30, 2012
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