Consolidated Condensed Statements Of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 04, 2015	Mar. 29, 2014	Apr. 04, 2015	Mar. 29, 2014
Income Statement [Abstract]
NET SALES	$ 637,246us-gaap_SalesRevenueNet	$ 649,878us-gaap_SalesRevenueNet	$ 1,267,769us-gaap_SalesRevenueNet	$ 1,293,263us-gaap_SalesRevenueNet
COST OF SALES	463,696us-gaap_CostOfGoodsAndServicesSold	453,060us-gaap_CostOfGoodsAndServicesSold	910,301us-gaap_CostOfGoodsAndServicesSold	897,136us-gaap_CostOfGoodsAndServicesSold
GROSS PROFIT	173,550us-gaap_GrossProfit	196,818us-gaap_GrossProfit	357,468us-gaap_GrossProfit	396,127us-gaap_GrossProfit
Research and development	31,404us-gaap_ResearchAndDevelopmentExpense	37,225us-gaap_ResearchAndDevelopmentExpense	62,725us-gaap_ResearchAndDevelopmentExpense	72,980us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative	92,158	104,832	189,985	204,733
Interest	7,669us-gaap_InterestExpense	2,444us-gaap_InterestExpense	13,037us-gaap_InterestExpense	7,573us-gaap_InterestExpense
Other	921us-gaap_OtherOperatingIncomeExpenseNet	(1,294)us-gaap_OtherOperatingIncomeExpenseNet	885us-gaap_OtherOperatingIncomeExpenseNet	10,373us-gaap_OtherOperatingIncomeExpenseNet
EARNINGS BEFORE INCOME TAXES	41,398	53,611	90,836	100,468
INCOME TAXES	9,305us-gaap_IncomeTaxExpenseBenefit	15,886us-gaap_IncomeTaxExpenseBenefit	23,478us-gaap_IncomeTaxExpenseBenefit	30,646us-gaap_IncomeTaxExpenseBenefit
NET EARNINGS	$ 32,093us-gaap_NetIncomeLoss	$ 37,725us-gaap_NetIncomeLoss	$ 67,358us-gaap_NetIncomeLoss	$ 69,822us-gaap_NetIncomeLoss
NET EARNINGS PER SHARE
Basic	$ 0.81us-gaap_EarningsPerShareBasic	$ 0.83us-gaap_EarningsPerShareBasic	$ 1.68us-gaap_EarningsPerShareBasic	$ 1.54us-gaap_EarningsPerShareBasic
Diluted	$ 0.80us-gaap_EarningsPerShareDiluted	$ 0.82us-gaap_EarningsPerShareDiluted	$ 1.66us-gaap_EarningsPerShareDiluted	$ 1.52us-gaap_EarningsPerShareDiluted
AVERAGE COMMON SHARES OUTSTANDING
Basic	39,601,795	45,377,465	40,116,731	45,381,058
Diluted	39,984,668	45,945,398	40,550,814	45,977,716

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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