Other income (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Other Nonoperating Income By Component [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 7,077,659	$ 7,223,966	$ 7,143,258
Expense	5,659,957	5,663,921	5,536,812
Land sales earnings, net	$ 0	$ 0	6,331
Land sales prior [Member]
Other Nonoperating Income By Component [Line Items]
Revenue from Contract with Customer, Including Assessed Tax			134,327
Expense			$ 127,996