Employee Benefit Plans (Details) - USD ($)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Profit Sharing And Savings Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Maximum 401K employer match contribution	$ 2,000
Maximum employer profit sharing contribution percentage	15.00%
Maximum employer annual profit sharing contribution amount for each employee	$ 42,000	$ 41,250	$ 40,500
Profit sharing and savings plan expense	35,100,000	31,300,000	29,500,000
Supplemental Employee Retirement Plan Defined Benefit [Member]
Defined Contribution Plan Disclosure [Line Items]
Supplemental Profit Sharing Retirement Plan expense recognized by the Company	$ 12,952	$ 28,312	$ 1,128