Income Taxes (Schedule Of Components Of Net Deferred Income Tax Asset) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Oct. 01, 2011
Income Tax Expense (Benefit) [Abstract]
Loss/credit carryforwards	$ 12,175	$ 10,263
Goodwill	2,024	2,787
Inventories	4,870	6,961
Accrued benefits	17,768	16,001
Allowance for bad debts	322	1,149
Interest rate swaps	664	2,031
Other	4,735	4,406
Total gross deferred income tax assets	42,558	43,598
Less valuation allowance	(27,087)	(5,116)
Deferred income tax assets	15,471	38,482
Property, plant and equipment	7,404	9,552
Other	1,500	710
Deferred income tax liabilities	8,904	10,262
Net deferred income tax asset	$ 6,567	$ 28,220