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Segment Information
3 Months Ended
Mar. 28, 2024
Segment Reporting [Abstract]  
Segment Information Segment Information
 
The Company operates in three principal segments: Commercial, Defense & Space and Aftermarket. Approximately 83% of the Company’s net revenues for the three months ended March 28, 2024 came from the Company’s two largest customers, Boeing and Airbus. Boeing represents a substantial portion of the Company’s revenues across segments. Airbus represents a substantial portion of revenues in the Commercial segment. The Company’s primary profitability measure to review a segment’s operating performance is segment operating income before corporate selling, general and administrative expenses and research and development.

Corporate selling, general and administrative expenses include centralized functions such as accounting, treasury and human resources that are not specifically related to the Company’s operating segments and are not allocated in measuring the operating segments’ profitability and performance and net profit margins. Research and development includes research and development efforts that benefit the Company as a whole and are not unique to a specific segment. These items are not specifically related to the Company’s operating segments and are not utilized in measuring the operating segments’ profitability and performance.

The Company’s Commercial segment includes design and manufacturing of forward, mid, and rear fuselage sections and systems, struts/pylons, nacelles (including thrust reversers) and related engine structural components, wings, and wing components (including flight control surfaces), as well as other miscellaneous structural parts for large commercial aircraft and/or business/regional jets. Sales from this segment are primarily to the aircraft OEMs or engine OEMs of large commercial aircraft and/or business/regional jet programs. Approximately 71% and 70% of Commercial segment net revenues came from the Company’s contracts with Boeing for the three months ended March 28, 2024, and March 30, 2023, respectively. Approximately 23% and 23% of Commercial segment net revenues came from the Company’s contracts with Airbus for the three months ended March 28, 2024, and March 30, 2023, respectively. The Commercial segment manufactures products at the Company’s facilities in Wichita, Kansas; Tulsa, Oklahoma; Kinston, North Carolina; Prestwick, Scotland; Casablanca, Morocco; Belfast, Northern Ireland; and Subang, Malaysia. The Commercial segment also includes an assembly plant for the A350 XWB aircraft in Saint-Nazaire, France.

The Company’s Defense & Space segment includes design and manufacturing of fuselage, strut, nacelle, and wing aerostructures (primarily) for U.S. Government defense programs, including Boeing P-8 and KC-46 Tanker, which are commercial aircraft that are modified for military use. The segment also includes fabrication, bonding, assembly, testing tooling, processing, engineering analysis, and training on fixed wing aircraft aerostructures, missiles and hypersonics work, including solid rocket motor throats and nozzles and re-entry vehicle thermal protections systems, forward cockpit and cabin, and fuselage work on rotorcraft aerostructures. Sales from this segment are primarily to the prime contractors on various U.S. Government defense program contracts for which the Company is a sub-contractor. A significant portion of the Company’s Defense & Space segment revenues are represented by defense business that is classified by the U.S. Government and cannot be specifically described. A significant portion of Defense & Space segment net revenues came from the Company’s contracts with two individual customers for the three months ended March 28, 2024, and March 30, 2023. The Defense & Space segment
manufactures products at the Company’s facilities in Wichita, KS; Tulsa, OK; Biddeford, ME; Woonsocket, RI; Belfast, Northern Ireland; and Prestwick, Scotland.

The Company’s Aftermarket segment includes design, manufacturing, and marketing of spare parts and maintenance, repair, and overhaul (“MRO”) services, repairs for flight control surfaces and nacelles, radome repairs, rotable assets, engineering services, advanced composite repair, and other repair and overhaul services. Approximately 58% and 45% of Aftermarket segment net revenues came from the Company’s contracts with a single customer for the three months ended March 28, 2024, and March 30, 2023, respectively. The Aftermarket segment manufactures products at the Company's facilities in Wichita, KS; Tulsa, OK; Kinston, North Carolina; Dallas, TX; Prestwick, Scotland; Casablanca, Morocco; and Belfast, Northern Ireland.

The Company’s segments are consistent with the organization and responsibilities of management reporting to the chief operating decision-maker for the purpose of assessing performance. The Company’s definition of segment operating income differs from Operating income as presented in its primary financial statements and a reconciliation of the segment and consolidated results is provided in the table set forth below.

 While some working capital accounts are maintained on a segment basis, much of the Company’s assets are not managed or maintained on a segment basis. Property, plant, and equipment, including tooling, is used in the design and production of products for each of the segments and, therefore, is not allocated to any individual segment. In addition, cash, prepaid expenses, other assets, and deferred taxes are managed and maintained on a consolidated basis and generally do not pertain to any particular segment. Raw materials and certain component parts are used in aerostructure production across all segments. Work-in-process inventory is identifiable by segment but is managed and evaluated at the program level. As there is no segmentation of the Company’s productive assets, depreciation expense (included in fixed manufacturing costs and selling, general and administrative expenses) and capital expenditures, no allocation of these amounts has been made solely for purposes of segment disclosure requirements.

The following table shows segment revenues and operating income (loss) for the three months ended March 28, 2024 and March 30, 2023:
 
 Three Months Ended
 March 28,
2024
March 30,
2023
Segment Revenues  
Commercial$1,356.1 $1,148.5 
Defense & Space250.8 188.4 
Aftermarket95.9 94.5 
$1,702.8 $1,431.4 
Segment Operating Income (Loss)
Commercial(1)
$(484.9)$(45.5)
Defense & Space(2)
32.2 19.2 
Aftermarket
17.2 19.2 
$(435.5)$(7.1)
SG&A(81.5)(77.4)
Research and development(10.6)(10.6)
Total operating loss$(527.6)$(95.1)

(1) The three months ended March 28, 2024 include excess capacity production costs of $24.9 related to the temporary B737 MAX and A220 production schedule changes. The three months ended March 30, 2023 include $40.9 of excess capacity costs related to the temporary B737 MAX, A320 and A220 production schedule changes and $5.4 of restructuring costs.
(2) The three months ended March 28, 2024 include excess capacity production costs of $1.2 related to the temporary B737 production schedule changes. The three months ended March 30, 2023 include excess capacity costs of $2.4 related to temporary B737 production schedule changes and $0.9 of restructuring costs.