Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 112,835	$ 92,260
Other comprehensive income (loss):
Amortization of net losses on cash flow hedges, net of tax	(24)	(24)
Foreign currency translation adjustments	(360)	986
Other comprehensive income (loss), net of tax	(384)	962
Total comprehensive income	112,451	93,222
Comprehensive income attributable to non-controlling and other beneficial interests	(8,850)	(5,459)
Total comprehensive income attributable to Eaton Vance Corp. shareholders	$ 103,601	$ 87,763