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Reporting Segment And Geographic Information (Schedule Of Revenue, Operating Income And Identifiable Assets By Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 03, 2025 | Dec. 29, 2023 | Dec. 30, 2022
Segment Reporting Information [Line Items] |  |  |
Total revenue | $ 3,683.3 | $ 3,798.7 | $ 3,676.3
Operating expense | 1,935.6 | 1,884.0 | 1,594.7
Operating income | 460.7 | 448.8 | 510.9
AECO |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | 1,358.6 | 1,110.5 | 941.7
Cost of sales | 220.4 | 213.3 | 201.2
Operating expense | 674.6 | 568.2 | 481.4
Operating income | $ 463.6 | $ 329.0 | $ 259.1
Segment operating income (as percent) | 34.10% | 29.60% | 27.50%
Field Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | $ 1,535.9 | $ 1,967.9 | $ 2,151.3
Cost of sales | 666.3 | 843.4 | 997.4
Operating expense | 427.6 | 521.0 | 498.0
Operating income | $ 442.0 | $ 603.5 | $ 655.9
Segment operating income (as percent) | 28.80% | 30.70% | 30.50%
T&L |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | $ 788.8 | $ 720.3 | $ 583.3
Cost of sales | 280.2 | 278.8 | 268.2
Operating expense | 353.5 | 323.3 | 265.3
Operating income | $ 155.1 | $ 118.2 | $ 49.8
Segment operating income (as percent) | 19.70% | 16.40% | 8.50%

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