Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended				12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended				0 Months Ended
	Apr. 04, 2009	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009	Sep. 27, 2008	Oct. 01, 2011 Old Income Tax Rate [Member] Mexico [Member]	Apr. 01, 2011 Old Income Tax Rate [Member] United Kingdom [Member]	Oct. 01, 2011 New Income Tax Rate [Member] Mexico [Member]	Apr. 01, 2011 New Income Tax Rate [Member] United Kingdom [Member]	Oct. 01, 2011 State [Member]	Oct. 01, 2011 Malaysian And Xiamen [Member]	Oct. 01, 2011 China Subsidiaries [Member]	Oct. 01, 2011 China [Member]	Apr. 01, 2012 United Kingdom [Member]	Oct. 01, 2011 United Kingdom [Member]	Oct. 01, 2011 Romania [Member]
Income tax expense		$ 2,847,000	$ 904,000	$ (908,000)
Reversal of valuation allowance				100,000
Valuation allowance		1,300,000	1,000,000
Remaining valuation allowance		2,300,000
Net deferred tax assets		21,700,000
Cumulative income before tax					150,000,000
Federal loss carryforward period (in years)		20
Valuation allowance related to various deferred income tax assets		5,116,000	2,547,000							1,600,000
Valuation allowance															300,000	900,000
Income tax rate		3.10%	1.00%	(2.00%)			28.00%		26.00%
Income tax rate for next year														25.00%
Temporary increase in income tax rates						28.00%		30.00%
Temporary increase in value added tax rates						15.00%		16.00%
Unified tax rate for domestic and foreign enterprises													25.00%
Increase in net operating loss carryback period		two years to five years
Unrecognized tax benefits that would reduce company's effective tax rate if recognized		6,300,000	4,800,000
Income tax holiday, expiration date											2024	2013
Tax reductions due to tax holiday		21,700,000	23,000,000	15,200,000
Tax reduction per basic share due to tax holiday		$ 0.57	$ 0.58	$ 0.38
Aggregate undistributed earnings of foreign subsidiaries		406,800,000
Net operating loss carryforwards										75,600,000
Operating loss carryforwards, expiration dates										2012 and 2029
Cash refund for income tax		2,200,000
Cash paid for income taxes			3,500,000	2,900,000
Total accrued penalties and net accrued interest with respect to income taxes		700,000	500,000	300,000
Expense for accrued penalties and net accrued interest		200,000
Decrease in tax expense	1,400,000
Decrease in tax expense as a result of conclusion of federal and state audits	1,600,000
Additional provision for changes in state tax laws	200,000
Uncertain tax benefits		$ 7,400,000