Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Cash flows from operating activities:
Net income	$ 77,582	$ 52,004
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	26,020	28,618
Non-cash stock compensation	10,120	6,105
Deferred income taxes	(373)	(182)
Other non-cash expense	163	1,135
Loss on sale of property, plant and equipment	361	109
Changes in operating assets and liabilities	29,416	28,486
Net cash provided by operating activities	143,289	116,275
Cash flows from investing activities:
Additions to property, plant and equipment	(7,917)	(13,881)
Proceeds from sale of property, plant and equipment	22	65
Net cash used in investing activities	(7,895)	(13,816)
Cash flows from financing activities:
Repayment of long-term debt	(100,000)	(125,951)
Repayment of finance lease obligations	(1,734)	(2,421)
Issuance of common shares	7,438	16,379
Purchase of treasury shares	(5,310)	(4,311)
Dividends paid	(22,672)	(21,915)
Net cash used in financing activities	(122,278)	(138,219)
Effect of exchange rate changes on cash	4,329	(307)
Increase in cash and cash equivalents	17,445	(36,067)
Cash and cash equivalents:
Beginning of year	208,293	151,164
End of period	$ 225,738	$ 115,097