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Intangible Assets
 3 Months Ended
Jan. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Note 4. Intangible Assets
Intangible assets consisted of the following:
 January 31, 2025October 31, 2024
(In millions)Gross 
Carrying
Amount		Accumulated
Amortization		Gross 
Carrying
Amount		Accumulated
Amortization
Weighted-Average Amortization Period
(in years)
Intangible assets with definite lives:
Customer relationships$1,125.9 $415.8 $1,130.5 $402.5 19
Composite intangible assets (1)
1,101.7 515.3 1,101.6 496.8 15
Technology706.8 395.6 706.4 384.3 11
Trademarks203.4 93.6 204.2 90.6 15
License and distribution rights and other 47.9 27.9 47.9 27.2 11
3,185.7 $1,448.2 3,190.6 $1,401.4 
Less: accumulated amortization and translation1,448.2 1,401.4 
Intangible assets with definite lives, net1,737.5 1,789.2 
Intangible assets with indefinite lives, net (2)
1.9 1.8 
Total other intangibles, net$1,739.4 $1,791.0 
(1) Composite intangible assets primarily consist of technology, trade name, New Drug Application approval and physician relationships. The components are not reflected separately or within the corresponding categories because they are inextricably linked.
(2) Intangible assets with indefinite lives include technology and trademarks.
Balances include foreign currency translation adjustments.
As of January 31, 2025, the estimate of future amortization expenses for intangible assets with definite lives is as follows:
Fiscal Years:(In millions)
Remainder of 2025$147.9 
2026189.8 
2027175.5 
2028171.0 
2029167.0 
Thereafter886.3 
Total remaining amortization for intangible assets with definite lives$1,737.5 
There was no material impairment of goodwill or intangible assets recorded in the three months ended January 31, 2025.