Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 77,582	$ 52,004
Components of other comprehensive income:
Foreign currency translation adjustments	28,433	2,793
Amortization of prior service cost and net actuarial losses, net of tax	2,997	3,229
Total other comprehensive income	31,430	6,022
Total comprehensive income	$ 109,012	$ 58,026