Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]	Common Shares	Additional Paid-in Capital	Retained Earnings	Retained Earnings Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss)	Common Shares in Treasury, at cost
Balance at Oct. 31, 2019	$ 1,581,045	$ (1,055)	$ 12,253	$ 483,116	$ 2,747,650	$ (1,055)	$ (231,881)	$ (1,430,093)
Shares issued under company stock and employee benefit plans	16,379			12,330				4,049
Stock-based compensation	6,105			6,105
Purchase of treasury shares, value	(4,311)							(4,311)
Dividends declared	(21,915)				(21,915)
Net income	52,004				52,004
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	2,793						2,793
Defined benefit pension and post-retirement    plans adjustment	3,229						3,229
Balance at Jan. 31, 2020	1,634,274		12,253	501,551	2,776,684		(225,859)	(1,430,355)
Balance at Oct. 31, 2020	1,758,991	$ (396)	12,253	534,684	2,908,738	$ (396)	(226,118)	(1,470,566)
Shares issued under company stock and employee benefit plans	7,438			6,462				976
Stock-based compensation	10,120			10,120
Purchase of treasury shares, value	(5,310)							(5,310)
Dividends declared	(22,672)				(22,672)
Net income	77,582				77,582
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	28,433						28,433
Defined benefit pension and post-retirement    plans adjustment	2,997						2,997
Balance at Jan. 31, 2021	$ 1,857,183		$ 12,253	$ 551,266	$ 2,963,252		$ (194,688)	$ (1,474,900)