v3.25.2
Goodwill and Acquired Intangible Assets (Tables)
 6 Months Ended
Jun. 29, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The carrying value of goodwill by segment was as follows (in millions):

Digital Imaging InstrumentationAerospace and Defense ElectronicsEngineered SystemsTotal
Balance at December 29, 2024
$6,854.6 $955.3 $163.0 $17.6 $7,990.5 
Current year acquisitions— — 456.0 — 456.0 
Foreign currency changes and other165.0 33.1 31.2 — 229.3 
Balance at June 29, 2025
$7,019.6 $988.4 $650.2 $17.6 $8,675.8 
Schedule of Carrying Value of Acquired Finite-Lived Intangible Assets
Acquired intangible assets consisted of the following (in millions):
June 29, 2025December 29, 2024
Gross Carrying Amount
Accumulated Amortization
Net Carrying Amount
Gross Carrying Amount
Accumulated Amortization
Net Carrying Amount
Proprietary technology$1,876.6 $925.0 $951.6 $1,665.5 $796.6 $868.9 
Customer list/relationships675.1 284.7 390.4 599.3 252.9 346.4 
Patents0.6 0.6 — 0.6 0.6 — 
Non-compete agreements0.9 0.9 — 0.9 0.9 — 
Trademarks50.1 11.3 38.8 12.2 7.7 4.5 
Backlog16.6 16.6 — 16.0 16.0 — 
Total intangibles subject to amortization2,619.9 1,239.1 1,380.8 2,294.5 1,074.7 1,219.8 
Intangibles not subject to amortization:
Trademarks793.8 — 793.8 793.1 — 793.1 
Total acquired intangible assets$3,413.7 $1,239.1 $2,174.6 $3,087.6 $1,074.7 $2,012.9 
Schedule of Carrying Value of Acquired Indefinite-Lived Intangible Assets
Acquired intangible assets consisted of the following (in millions):
June 29, 2025December 29, 2024
Gross Carrying Amount
Accumulated Amortization
Net Carrying Amount
Gross Carrying Amount
Accumulated Amortization
Net Carrying Amount
Proprietary technology$1,876.6 $925.0 $951.6 $1,665.5 $796.6 $868.9 
Customer list/relationships675.1 284.7 390.4 599.3 252.9 346.4 
Patents0.6 0.6 — 0.6 0.6 — 
Non-compete agreements0.9 0.9 — 0.9 0.9 — 
Trademarks50.1 11.3 38.8 12.2 7.7 4.5 
Backlog16.6 16.6 — 16.0 16.0 — 
Total intangibles subject to amortization2,619.9 1,239.1 1,380.8 2,294.5 1,074.7 1,219.8 
Intangibles not subject to amortization:
Trademarks793.8 — 793.8 793.1 — 793.1 
Total acquired intangible assets$3,413.7 $1,239.1 $2,174.6 $3,087.6 $1,074.7 $2,012.9