v3.25.2
Intangible Assets
 6 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets INTANGIBLE ASSETS
The gross amount of the Company’s intangible assets and related accumulated amortization were as follows:
June 30, 2025December 31, 2024
In millionsGross carrying amountAccumulated amortizationNet carrying amountGross carrying amountAccumulated amortizationNet carrying amount
Completed technologies/patents$81.2 $(49.3)$31.9 $76.6 $(41.7)$34.9 
Customer relationships596.4 (236.1)360.3 542.7 (201.5)341.2 
Trade names (finite-lived)169.9 (109.0)60.9 151.3 (91.4)59.9 
Other104.8 (69.5)35.3 91.8 (59.9)31.9 
Total finite-lived intangible assets952.3 $(463.9)488.4 862.4 $(394.5)467.9 
Trade names (indefinite-lived)107.3 107.3 101.1 101.1 
Total$1,059.6 $595.7 $963.5 $569.0 
                                                                                                                                            
Intangible asset amortization expense was $32.5 million and $31.8 million for the six months ended June 30, 2025 and 2024, respectively. Future estimated amortization expense on existing intangible assets in each of the next five years amounts to approximately $65.0 million for full year 2025, $55.5 million for 2026, $48.3 million for 2027, $39.4 million for 2028 and $37.0 million for 2029.