Basis Of Presentation Basis of Presentation (Impact of adoption of ASC 2017-07 on Consolidated Condensed Statement of Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle
Cost of sales	$ 521,410	$ 488,788	$ 1,001,584	$ 931,938
Gross Profit	197,401	192,932	396,903	377,317
Research and development	31,344	33,995	63,220	66,329
Selling, general and administrative	99,860	98,665	196,186	193,284
Other	$ 640	1,456	$ 4,074	2,408
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle
Cost of sales		489,071		932,497
Gross Profit		192,649		376,758
Research and development		34,085		66,505
Selling, general and administrative		99,999		195,949
Other		(251)		(992)
ASC 2017-07 \| Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle
Cost of sales		(283)		(559)
Gross Profit		283		559
Research and development		(90)		(176)
Selling, general and administrative		(1,334)		(2,665)
Other		$ 1,707		$ 3,400

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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