Acquisitions and Joint Venture - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Nov. 01, 2022	Apr. 06, 2022	Mar. 31, 2022	Apr. 30, 2023	Jul. 31, 2023	Jul. 31, 2022	Oct. 31, 2022	Jan. 19, 2021
Business Acquisition [Line Items]
Goodwill					$ 3,683,100,000		$ 3,609,700,000
Accrual for acquisition termination fee					45,000,000.0	$ 0
Proceeds from sale of interest in a subsidiary			$ 52,100,000		0	52,100,000
Payments to form joint venture			10,000,000
Equity method investments			$ 90,000,000
Equity method investment realized gain							56,900,000
Decrease in contingent consideration liability					31,800,000	$ 10,700,000
SightGlass Vision, Inc.
Business Acquisition [Line Items]
Equity method investment, ownership percentage			50.00%
Essilor International SAS
Business Acquisition [Line Items]
Payments to form joint venture			$ 10,000,000
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products
Business Acquisition [Line Items]
Aggregate consideration	$ 33,000,000
Net assets	5,100,000
Goodwill	7,700,000
Goodwill, expected tax deductible amount	0
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles	12,600,000
Privately-Held U.S.-Based Company, Technologically Advanced Contact Lens Products | Technology
Business Acquisition [Line Items]
Finite-lived intangibles	$ 7,600,000
Cook Medicals Reproductive Health Business
Business Acquisition [Line Items]
Aggregate consideration		$ 875,000,000
Payments to acquire business		675,000,000
Payables incurred in acquisition		200,000,000
Accrual for acquisition termination fee				$ 45,000,000
Cook Medicals Reproductive Health Business | Payables First Installment
Business Acquisition [Line Items]
Payables incurred in acquisition		50,000,000
Cook Medicals Reproductive Health Business | Payables Second Installment
Business Acquisition [Line Items]
Payables incurred in acquisition		50,000,000
Cook Medicals Reproductive Health Business | Payables Third Installment
Business Acquisition [Line Items]
Payables incurred in acquisition		50,000,000
Cook Medicals Reproductive Health Business | Payables Fourth Installment
Business Acquisition [Line Items]
Payables incurred in acquisition		$ 50,000,000
Privately-Held Medical Device Company, Spectacle Lenses, Portion Attributable To Former Equity Interest Owners
Business Acquisition [Line Items]
Undiscounted range of the contingent consideration, minimum								$ 0
Undiscounted range of the contingent consideration, maximum								$ 139,100,000
Payment to settle former equity interest owners			$ 42,900,000
Net gains recognized							$ 12,200,000
Decrease in contingent consideration liability					$ 31,800,000