Revolving Credit Facility	12 Months Ended
	Oct. 31, 2020
Line of Credit Facility [Abstract]
Revolving Credit Facility	Revolving Credit FacilityOn June 28, 2019, the Company entered into a second amended and restated revolving credit agreement with certain institutional lenders that expires on June 28, 2024. The agreement for such revolving credit facility (Revolving Credit Agreement), which further amended and restated the Company's amended and restated revolving credit agreement dated as of September 23, 2016, provides for a five year unsecured revolving credit facility in an aggregate principal amount of up to $1.25 billion. In March 2020, the Company borrowed $350.0 million under this revolving credit facility and utilized the proceeds for the repayment of existing indebtedness and working capital requirements. The Company repaid the $350.0 million plus interest of $0.6 million in April 2020. As of October 31, 2020, the Company had no outstanding borrowings under this revolving credit facility but may borrow in the future and use the proceeds for repayment of existing indebtedness, stock repurchases, acquisitions, capital expenditures, working capital and other lawful corporate purposes. Loans under the Revolving Credit Agreement can be Eurocurrency Rate Loans or Base Rate Loans at the Company's option. Each Eurocurrency Loan will bear interest at a rate per annum equal to the Eurocurrency Rate plus a margin based on the Company's debt ratings from time to time of between 0.690% and 1.375%. Each Base Rate Loan will bear interest at a rate per annum equal to the Base Rate plus a margin based on the Company's debt ratings from time to time of between 0.00% and 0.375%. The Revolving Credit Agreement imposes restrictions on the Company’s ability to undertake certain transactions, to create certain liens on assets and to incur certain subsidiary indebtedness. In addition, the Revolving Credit Agreement requires the Company to maintain a consolidated leverage ratio of total consolidated funded debt to consolidated EBITDA (earnings before interest, taxes, depreciation, and amortization) for a trailing twelve-month period of not greater than 3.5 to 1.0, assuming the Company does not undertake any significant acquisitions, mergers, and other fundamental changes. Should such a change occur, it may be authorized to increase the covenant to 4.0 to 1.0.  As of October 31, 2020, the Company was compliant with these covenants.