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Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
Goodwill [Roll Forward] |  |  |
Beginning balance | $ 797,217 | $ 774,268 | $ 740,162
Acquisitions |  | 31,098 | 26,566
Impairment | 0 | 0 | 0
Divestitures | (1,237) | (1,836) | (1,804)
Foreign currency translation | (11,740) | (6,313) | 9,344
Ending balance | 784,240 | 797,217 | 774,268
Aircraft Controls |  |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 179,907 | 181,375 | 179,694
Acquisitions |  | 0 | 0
Divestitures | 0 | 0 | 0
Foreign currency translation | (2,968) | (1,468) | 1,681
Ending balance | 176,939 | 179,907 | 181,375
Space and Defense Controls |  |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 261,732 | 259,951 | 261,482
Acquisitions |  | 3,769 | 0
Divestitures | 0 | (1,836) | (1,804)
Foreign currency translation | (48) | (152) | 273
Ending balance | 261,684 | 261,732 | 259,951
Industrial Systems |  |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 355,578 | 332,942 | 298,986
Acquisitions |  | 27,329 | 26,566
Divestitures | (1,237) | 0 | 0
Foreign currency translation | (8,724) | (4,693) | 7,390
Ending balance | $ 345,617 | $ 355,578 | $ 332,942

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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