v3.26.1
Segment Information (Tables)
 9 Months Ended
Jul. 03, 2026
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information
The Company’s segment revenues were as follows:
Three Months EndedNine Months Ended
(Amounts in millions)July 3, 2026June 27, 2025July 3, 2026June 27, 2025
DS$1,457 $1,421 $4,262 $4,047 
GES2,033 2,140 5,943 6,421 
Total$3,490 $3,561 $10,205 $10,468 
The following table reconciles segment Adjusted EBITDA to net income attributable to common shareholders:
Three months endedNine months ended
July 3, 2026June 27, 2025July 3, 2026June 27, 2025
(Amounts in millions)DSGESTotalDSGESTotalDSGESTotalDSGESTotal
Revenues$1,457 $2,033 $3,490 $1,421 $2,140 $3,561 $4,262 $5,943 $10,205 $4,047 $6,421 $10,468 
Cost of revenues(1,293)(1,837)(3,130)(1,245)(1,948)(3,193)(3,794)(5,380)(9,174)(3,559)(5,813)(9,372)
Other segment expenses (1)
(48)(22)(70)(62)(32)(94)(144)(59)(203)(167)(125)(292)
Adjusted EBITDA attributable to Amentum Holdings, Inc.116 174 290 114 160 274 324 504 828 321 483 804 
Depreciation(7)(11)(25)(29)
Amortization of intangibles(94)(118)(282)(358)
Interest expense and other, net(62)(88)(209)(261)
Loss on extinguishment of debt(16)(3)(16)(3)
Non-controlling interests— (11)— (4)
Acquisition, transaction and integration costs (2)
(9)(32)(36)(62)
Utilization of fair market value adjustments (3)
— 8 (1)9 
Stock-based compensation (4)
(8)(7)(23)(15)
Income before income taxes94 12 236 81 
Provision for income taxes(28)(13)(72)(59)
Net income (loss) including non-controlling interests66 (1)164 22 
Net income (loss) attributable to non-controlling interests— 11 — 4 
Net income attributable to common shareholders$66 $10 $164 $26 
(1)    Represents the difference between segment revenues, costs of revenues, and Adjusted EBITDA attributable to Amentum Holdings, Inc. Other segment expenses primarily includes selling, general, and administrative expenses, and equity earnings of non-consolidated subsidiaries and excludes certain discrete items that are not considered in the evaluation of ongoing performance.
(2)    Represents acquisition, transaction and integration costs, including severance, retention, and other adjustments related to acquisition and integration activities.
(3)    Represents the periodic utilization of the fair market value adjustments assigned to certain equity method investments and non-controlling interests based on the remaining period of performance for the related contract.
(4)    Represents non-cash compensation expenses recognized for stock-based arrangements.