Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Oct. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 452,554	$ 406,416
Long-Lived Assets	72,245		$ 72,798
U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	439,051	390,754
Long-Lived Assets	70,403		71,000
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	13,503	$ 15,662
Long-Lived Assets	$ 1,842		$ 1,798