Business Segments (Schedule Of Financial Information About Company's Reportable Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 04, 2015	Mar. 29, 2014	Apr. 04, 2015	Mar. 29, 2014	Sep. 27, 2014
Segment Reporting Information [Line Items]
Net sales	$ 651,285us-gaap_SalesRevenueNet	$ 557,616us-gaap_SalesRevenueNet	$ 1,315,975us-gaap_SalesRevenueNet	$ 1,091,521us-gaap_SalesRevenueNet
Operating income (loss)	29,452us-gaap_OperatingIncomeLoss	19,000us-gaap_OperatingIncomeLoss	58,234us-gaap_OperatingIncomeLoss	40,761us-gaap_OperatingIncomeLoss
Interest expense	(3,383)us-gaap_InterestExpense	(3,082)us-gaap_InterestExpense	(7,160)us-gaap_InterestExpense	(5,896)us-gaap_InterestExpense
Interest income	788us-gaap_InvestmentIncomeInterest	683us-gaap_InvestmentIncomeInterest	1,686us-gaap_InvestmentIncomeInterest	1,322us-gaap_InvestmentIncomeInterest
Miscellaneous	(60)us-gaap_OtherNonoperatingIncomeExpense	671us-gaap_OtherNonoperatingIncomeExpense	78us-gaap_OtherNonoperatingIncomeExpense	911us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	26,797	17,272	52,838	37,098
Total assets	1,656,149us-gaap_Assets		1,656,149us-gaap_Assets		1,609,026us-gaap_Assets
AMER [Member]
Segment Reporting Information [Line Items]
Net sales	328,753	279,271	664,015	544,280
Operating income (loss)	15,714	14,868	35,466	31,924
Total assets	537,201		537,201		521,259
APAC [Member]
Segment Reporting Information [Line Items]
Net sales	319,156	265,582	652,533	535,733
Operating income (loss)	40,989	34,312	82,770	66,254
Total assets	948,779		948,779		881,426
EMEA [Member]
Segment Reporting Information [Line Items]
Net sales	35,773	32,240	63,853	59,054
Operating income (loss)	(1,793)	(1,448)	(5,624)	(3,913)
Total assets	112,068		112,068		135,841
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	(32,397)	(19,477)	(64,426)	(47,546)
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(25,458)	(28,732)	(54,378)	(53,504)
Total assets	$ 58,101		$ 58,101		$ 70,500

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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