Employee Benefit Plans Activity in AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Employee Benefit Plans [Abstract]
Balance at beginning of period	$ (275,905)	$ (231,438)	$ (280,424)	$ (234,128)
Net reclassification from AOCI into earnings [Abstract]
Reclassification from AOCI into earnings	8,323	4,529	15,595	8,918
Tax effect	(2,741)	(1,697)	(5,494)	(3,396)
Net reclassification from AOCI into earnings	5,582	2,832	10,101	5,522
Balance at end of period	$ (270,323)	$ (228,606)	$ (270,323)	$ (228,606)

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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+ Details