Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Net income	$ 337,091	$ 377,375	$ 295,802
Components of other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	3,710	(28,619)	22,697
Pension and postretirement benefit plans:
Prior service (cost) credit arising during the year	(148)	(45)
Net actuarial gain (loss) arising during the year	(63,138)	(7,783)	2,641
Amortization of prior service (cost) credit	(322)	(322)	(210)
Amortization of actuarial loss	6,946	10,536	7,972
Settlement loss recognized	385	200	712
Total pension and postretirement benefit plans	(56,277)	2,586	11,115
Total other comprehensive income (loss)	(52,567)	(26,033)	33,812
Total comprehensive income	$ 284,524	332,496	$ 329,614
ASU 2018-02 [Member]
Pension and postretirement benefit plans:
Reclassification due to adoption of ASU 2018-02		$ (18,846)