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SEGMENT INFORMATION
 6 Months Ended
Jun. 27, 2025
Segment Reporting [Abstract]  
SEGMENT INFORMATION
NOTE 12. SEGMENT INFORMATION
Ralliant reports its results in two business segments consisting of Test and Measurement and Sensors and Safety Systems. Ralliant’s operating segments were determined based primarily on how the chief operating decision maker (“CODM”) views and evaluates the Company’s operations and identification of segment managers. Other factors including products and services, end markets served, and business cycle were also considered in determining the formation of operating segments. The Company's CODM is the chief executive officer.
The CODM uses operating profit at the segment level as the measure of profitability to assess performance and allocate resources, including merger and acquisition targets. The CODM also compares the actual results to expectations in assessing the performance of the segments. Operating profit represents total revenue less cost of sales and operating expenses. Operating expenses generally include selling, general and administrative expenses, and research and development expenses. Depreciation expense is recorded within both Cost of sales and Selling, general, and administrative expenses. Amortization expense is recorded within Selling, general, and administrative expenses. The identifiable assets by segment are those used in each segment’s operations. Inter-segment amounts are not significant and are eliminated in the combined totals. Unallocated costs and other costs are not considered part of the Company’s evaluation of reportable segment operating performance.
The Test and Measurement segment provides precision test and measurement instruments, systems, software, and services. Through its portfolio of industry leading solutions, including oscilloscopes, probes, source measuring units, semiconductor test systems, high-power bi-directional power supplies, and measurement analysis software packages, the Test and Measurement segment empowers scientists, engineers, and technicians to create and realize technological advances with greater efficiency, speed, and accuracy.
The Sensors and Safety Systems segment provides leading power grid monitoring solutions, safety systems for mission critical aero, defense, and space applications, and sensing solutions for critical environments where uptime, precision, and reliability are essential. This includes advanced monitoring, protection, and diagnostic solutions for high-voltage electrical assets in power generation, transmission, and distribution. Sensors and Safety Systems’ energetic materials, ignition safety systems, and precision pyrotechnic devices are used in mission-critical applications such as satellite deployment, rocket propulsion initiation, aerial vehicle safety systems, and military defense systems. The Sensors and Safety Systems segment also provides premium sensing products encompassing liquid level, flow, and pressure sensors, motion sensors and components, and hygienic sensors.
Segment results for the three months ended June 27, 2025 were:
 TotalTest and MeasurementSensors and Safety Systems
Unallocated Corporate Costs and Other (a)
Sales$503.3 $192.5 $310.8 $— 
Cost of sales(255.0)(89.2)(165.8)— 
Operating expenses(189.4)(117.6)(65.5)(6.3)
Operating profit (loss)58.9 (14.3)79.5 (6.3)
Non-operating income (expense), net
Other non-operating expense, net— 0.1 (0.1)— 
Earnings (loss) before income taxes$58.9 $(14.2)$79.4 $(6.3)
Depreciation and amortization expenses$(28.6)$(25.1)$(3.5)$— 
Capital expenditure$(11.6)$(7.1)$(4.5)$— 
(a) Amounts primarily related to standalone public company costs.
Segment results for the three months ended June 28, 2024 were:
 TotalTest and MeasurementSensors and Safety SystemsUnallocated Corporate Costs and Other
Sales$533.7 $226.4 $307.3 $— 
Cost of sales(259.0)(90.8)(168.2)— 
Operating expenses(169.5)(111.0)(58.6)0.1 
Operating profit105.2 24.6 80.5 0.1 
Non-operating expense, net
Loss from divestiture(25.6)— (25.6)— 
Other non-operating expense, net(0.4)(0.2)(0.2)— 
Earnings before income taxes$79.2 $24.4 $54.7 $0.1 
Depreciation and amortization expenses$(28.8)$(25.0)$(3.8)$— 
Capital expenditure$(9.6)$(7.2)$(2.4)$— 
Segment results for the six months ended June 27, 2025 were:
 TotalTest and MeasurementSensors and Safety Systems
Unallocated Corporate Costs and Other (a)
Sales$985.1 $381.0 $604.1 $— 
Cost of sales(493.4)(176.2)(317.2)— 
Operating expenses(359.0)(231.0)(120.4)(7.6)
Operating profit (loss)132.7 (26.2)166.5 (7.6)
Non-operating expense, net
Other non-operating expense, net(0.5)(0.2)(0.3)— 
Earnings (loss) before income taxes$132.2 $(26.4)$166.2 $(7.6)
Depreciation and amortization expenses$(55.5)$(48.6)$(6.9)$— 
Capital expenditure$(17.2)$(10.0)$(7.2)$— 
(a) Amounts primarily related to standalone public company costs.
Segment results for the six months ended June 28, 2024 were:
 TotalTest and MeasurementSensors and Safety SystemsUnallocated Corporate Costs and Other
Sales$1,074.9 $470.6 $604.3 $— 
Cost of sales(524.3)(194.6)(329.7)— 
Operating expenses(367.4)(256.8)(110.7)0.1 
Gain from sale of property (a)
63.1 63.1 — — 
Operating profit246.3 82.3 163.9 0.1 
Non-operating expense, net
Loss from divestiture(25.6)— (25.6)— 
Other non-operating expense, net(0.7)(0.3)(0.4)— 
Earnings before income taxes$220.0 $82.0 $137.9 $0.1 
Depreciation and amortization expenses$(58.2)$(50.6)$(7.6)$— 
Capital expenditure$(13.7)$(8.7)$(5.0)$— 
(a) Refer to Note 1 for further detail on Gain on sale of property.
Segment Assets:
June 27, 2025December 31, 2024
Test and measurement$3,652.1 $3,447.7 
Sensors and safety systems1,296.1 1,256.7 
Total segment assets4,948.2 4,704.4 
Other (a)
228.8 15.0 
Total assets$5,177.0 $4,719.4 
(a) Other represents corporate assets which consist primarily of net deferred income tax assets.