Note 14 Revenue and Expenses by Segment (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Segment Information [Line Items]
Gross profit		$ 483,856	$ 488,283	$ 426,817
Net sales		6,374,541	6,215,106	5,917,124
Depreciation and amortization		100,567	97,677	96,021
Captial expenditures		126,481	79,462	73,069
Long-lived assets (including assets held for sale)		$ 590,844	574,654
Revenue percentage generated by reportable segment		80.00%
Number of reportable segments		1
Operating segments
Segment Information [Line Items]
Gross profit		$ 501,500	495,883	436,389
Depreciation and amortization		91,954	89,353	87,333
Captial expenditures		123,045	74,827	69,622
Long-lived assets (including assets held for sale)		560,297	523,188
Operating segments | IMS
Segment Information [Line Items]
Revenues		5,157,427	4,933,714	4,766,670
Gross profit		366,436	339,909	291,664
Depreciation and amortization		56,428	50,933	54,531
Captial expenditures		105,755	47,103	44,080
Long-lived assets (including assets held for sale)		351,490	309,922
Operating segments | CPS
Segment Information [Line Items]
Revenues		1,414,797	1,514,340	1,335,510
Gross profit		135,064	155,974	144,725
Depreciation and amortization		35,526	38,420	32,802
Captial expenditures		17,290	27,724	25,542
Long-lived assets (including assets held for sale)		208,807	213,266
Segment reconciling items
Segment Information [Line Items]
Gross profit	[1]	(17,644)	(7,600)	(9,572)
Segment reconciling items | IMS
Segment Information [Line Items]
Revenues	[1]	0	(1,856)	0
Unallocated corporate items
Segment Information [Line Items]
Depreciation and amortization	[2]	8,613	8,324	8,688
Captial expenditures	[2]	3,436	4,635	3,447
Long-lived assets (including assets held for sale)	[2]	30,547	51,466
Intersegment eliminations
Segment Information [Line Items]
Revenues		$ (197,683)	$ (231,092)	$ (185,056)

[1] For purposes of evaluating segment performance, management excludes certain items from its measures of revenue and gross profit. These items include stock-based compensation expense, amortization of intangible assets, charges or credits resulting from distressed customers and similar items that either occur infrequently or are of a non-operational nature.

[2] Primarily related to selling, general and administration functions.