Segments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Revenue, Major Customer [Line Items]
Percentage of aftermarket sale in commercial production segment	34.00%
Sales arising from U.S. Government prime or sub-contracts, including military sales to Boeing	$ 737,980	$ 738,429	$ 740,701
Boeing [Member]
Revenue, Major Customer [Line Items]
Sales to Boeing and Boeing Commercial Airplanes	263,060	229,825	206,775
Percentage of sales to Boeing	11.00%	10.00%	10.00%
Boeing Commercial Airplanes [Member]
Revenue, Major Customer [Line Items]
Sales to Boeing and Boeing Commercial Airplanes	$ 131,318	$ 110,802	$ 91,112