Reportable Segments (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 01, 2012	Apr. 03, 2011	Apr. 01, 2012	Apr. 03, 2011	Oct. 02, 2011
Revenue
Revenue	$ 624,345	$ 612,566	$ 1,306,972	$ 1,223,690
Operating Income
Amortization of intangibles	(6,917)	(6,942)	(15,182)	(13,723)
Other expense	(2,037)	(1,995)	(2,968)	(2,834)
Operating income	35,543	29,256	71,635	63,581
ASSETS
TOTAL ASSETS	1,576,084		1,576,084		1,593,988
Reportable Segments
Revenue
Revenue	672,689	635,180	1,389,574	1,276,422
Operating Income
Operating income	44,497	38,193	89,785	80,138
ASSETS
TOTAL ASSETS	1,744,090		1,744,090		1,680,461
Elimination of inter-segment revenue
Revenue
Revenue	(48,344)	(22,614)	(82,602)	(52,732)
Assets not allocated to segments and intercompany eliminations
ASSETS
TOTAL ASSETS	$ (168,006)		$ (168,006)		$ (86,473)