Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Cash flows from operating activities:
Net income	$ 377,375	$ 295,802	$ 271,843
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	52,959	45,947	41,243
Amortization	55,448	44,907	29,061
Provision for losses on receivables	1,185	4,030	1,867
Deferred income taxes	(33,949)	(472)	(3,597)
Non-cash stock compensation	21,550	20,168	18,211
Loss on sale of property, plant and equipment	830	188	859
Other non-cash	1,359	2,770	2,973
Changes in operating assets and liabilities:
Receivables	10,236	(46,152)	(41,247)
Inventories	5,532	(19,667)	1,784
Prepaid expenses	(4,046)	4,737	(8,667)
Other assets	320	(3,429)	7,773
Accounts payable	(2,671)	4,805	7,296
Income taxes payable	(2,718)	7,522	(2,684)
Accrued liabilities	2,134	(5,629)	23,328
Customer advance payments	5,047	5,163	3,631
Other liabilities	18,402	2,266	(17,739)
Other	(4,355)	(6,204)	(1,301)
Net cash provided by operating activities	504,638	356,752	334,634
Cash flows from investing activities:
Additions to property, plant and equipment	(89,790)	(71,558)	(60,851)
Proceeds from sale of property, plant and equipment	458	4,007	1,300
Acquisition of businesses, net of cash acquired	(50,586)	(805,943)	(42,650)
Equity investments		(4,470)
Net cash used in investing activities	(139,918)	(877,964)	(102,201)
Cash flows from financing activities:
Proceeds from short-term borrowings	996	6,017	13,456
Repayment of short-term borrowings	(1,006)	(8,149)	(12,059)
Proceeds from long-term debt	585,661	841,536	261,161
Repayment of long-term debt	(854,538)	(237,183)	(392,775)
Repayment of capital lease obligations	(5,333)	(5,287)	(5,059)
Payment of debt issuance costs	(1,826)	(3,214)	(99)
Issuance of common shares	18,811	14,086	11,476
Purchase of treasury shares	(24,012)	(3,216)	(33,421)
Dividends paid	(72,443)	(63,840)	(56,436)
Net cash provided by (used in) financing activities	(353,690)	540,750	(213,756)
Effect of exchange rate changes on cash	(5,735)	3,606	(1,706)
Increase in cash and cash equivalents	5,295	23,144	16,971
Cash and cash equivalents at beginning of year	90,383	67,239	50,268
Cash and cash equivalents at end of year	$ 95,678	$ 90,383	$ 67,239