v3.26.1
Goodwill and Other Identifiable Intangible Assets
 6 Months Ended
Jun. 30, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Identifiable Intangible Assets Goodwill and Other Identifiable Intangible Assets
The changes in the carrying amount of goodwill by reportable segment were as follows:
In millionsDecember 31,
2025		Acquisitions/
divestitures		Foreign currency
translation/other		June 30,
2026
Systems Protection$1,202.4 $1.3 $(4.0)$1,199.7 
Electrical Connections1,475.6 1.0 — 1,476.6 
Total goodwill$2,678.0 $2.3 $(4.0)$2,676.3 
Identifiable intangible assets consisted of the following:
 June 30, 2026December 31, 2025
In millionsCostAccumulated
amortization		NetCostAccumulated
amortization		Net
Definite-life intangibles
Customer relationships$1,902.1 $(599.0)$1,303.1 $1,904.0 $(551.5)$1,352.5 
Proprietary technologies and patents112.1 (38.7)73.4 111.8 (31.8)80.0 
Other definite-lived intangible assets139.5 (90.3)49.2 139.5 (63.1)76.4 
Total definite-life intangibles2,153.7 (728.0)1,425.7 2,155.3 (646.4)1,508.9 
Indefinite-life intangibles
Trade names367.6 — 367.6 367.6 — 367.6 
Total intangibles$2,521.3 $(728.0)$1,793.3 $2,522.9 $(646.4)$1,876.5 
Identifiable intangible asset amortization expense was $41.1 million and $35.9 million for the three months ended June 30, 2026 and 2025, respectively, and $82.2 million and $64.1 million for the six months ended June 30, 2026 and 2025, respectively.
Estimated future amortization expense for identifiable intangible assets during the remainder of 2026 and the next five years is as follows:
 Q3-Q4     
In millions202620272028202920302031
Estimated amortization expense$71.7 $136.3 $110.9 $110.9 $107.8 $105.6