Segment Information (Schedule Of Revenue, Operating Income And Identifiable Assets By Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 870.8	$ 993.6	$ 1,824.1	$ 1,909.0
Segment operating income	61.6	93.6	170.8	230.6
Operating segment
Segment Reporting Information [Line Items]
Segment operating income	224.8	265.0	486.1	518.1
AECO
Segment Reporting Information [Line Items]
Total revenue	299.7	264.1	638.8	552.2
AECO | Operating segment
Segment Reporting Information [Line Items]
Segment operating income	79.1	62.4	205.8	157.8
Field Systems
Segment Reporting Information [Line Items]
Total revenue	379.3	540.6	798.5	1,020.5
Field Systems | Operating segment
Segment Reporting Information [Line Items]
Segment operating income	109.8	175.9	208.1	313.3
T&L
Segment Reporting Information [Line Items]
Total revenue	191.8	188.9	386.8	336.3
T&L | Operating segment
Segment Reporting Information [Line Items]
Segment operating income	$ 35.9	$ 26.7	$ 72.2	$ 47.0