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Intangible Assets (Tables)
 9 Months Ended
Jul. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
Intangible assets consisted of the following:
 July 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$1,137.4 $453.8 $1,130.5 $402.5 19
Composite intangible assets (1)
1,101.7 552.2 1,101.6 496.8 15
Technology703.3 423.7 706.4 384.3 11
Trademarks202.6 99.0 204.2 90.6 15
License and distribution rights and other 44.7 26.2 47.9 27.2 11
3,189.7 $1,554.9 3,190.6 $1,401.4 
Less: accumulated amortization and translation1,554.9 1,401.4 
Intangible assets with definite lives, net1,634.8 1,789.2 
Intangible assets with indefinite lives, net (2)
1.1 1.8 
Total other intangibles, net$1,635.9 $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.
Schedule of Indefinite-Lived Intangible Assets
Intangible assets consisted of the following:
 July 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$1,137.4 $453.8 $1,130.5 $402.5 19
Composite intangible assets (1)
1,101.7 552.2 1,101.6 496.8 15
Technology703.3 423.7 706.4 384.3 11
Trademarks202.6 99.0 204.2 90.6 15
License and distribution rights and other 44.7 26.2 47.9 27.2 11
3,189.7 $1,554.9 3,190.6 $1,401.4 
Less: accumulated amortization and translation1,554.9 1,401.4 
Intangible assets with definite lives, net1,634.8 1,789.2 
Intangible assets with indefinite lives, net (2)
1.1 1.8 
Total other intangibles, net$1,635.9 $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.
Schedule of Remaining Amortization Expenses for Intangible Assets With Definite Lives
As of July 31, 2025, the estimate of future amortization expenses for intangible assets with definite lives is as follows:
Fiscal Years:(In millions)
Remainder of 2025$48.7 
2026189.0 
2027174.5 
2028170.0 
2029165.8 
Thereafter886.8 
Total remaining amortization for intangible assets with definite lives$1,634.8