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Basis Of Presentation Basis of Presentation (Impact from adoption of ASU 2017-07 on Operating Profit by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 29, 2018 | Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit | $ 79,377 | $ 67,427
Deductions from operating profit: |  |
Non-service pension expense | 3,193 | 1,693
Corporate and other expenses, net | 6,310 | 7,253
Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 66,303
Deductions from operating profit: |  |
Non-service pension expense |  | 0
Corporate and other expenses, net |  | 7,822
ASC 2017-07 | Restatement Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 1,124
Deductions from operating profit: |  |
Non-service pension expense |  | 1,693
Corporate and other expenses, net |  | (569)
Aircraft Controls |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit | 33,199 | 31,043
Aircraft Controls | Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 30,768
Aircraft Controls | ASC 2017-07 | Restatement Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 275
Space And Defense Controls |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit | 18,473 | 16,473
Space And Defense Controls | Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 16,289
Space And Defense Controls | ASC 2017-07 | Restatement Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 184
Industrial Systems |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit | $ 27,705 | 19,911
Industrial Systems | Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | 19,246
Industrial Systems | ASC 2017-07 | Restatement Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Operating profit |  | $ 665

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