CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017
Operating activities
Net income	$ 104,629	$ 206,874
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	81,549	73,055
Non-cash stock compensation	13,697	13,412
Provision for losses on accounts receivable	0	80
Deferred income taxes	(23,862)	19,585
Change in assets and liabilities:
Accounts receivable, net	7,947	(26,736)
Income taxes	(32,915)	32,616
Inventories	(29,291)	(35,829)
Prepaid expenses and other assets	(5,539)	(7,181)
Accounts payable	17,249	7,655
Accrued expenses and other liabilities	(29,559)	26,600
Total adjustments	(724)	103,257
Net cash provided by operating activities	103,905	310,131
Investing activities
Capital expenditures	(216,587)	(130,617)
Net proceeds from sale of property and equipment	892	409
Net cash used in investing activities	(215,695)	(130,208)
Financing activities
Payments for debt issuance costs	0	(2,416)
Proceeds from issuance of restricted stock under stock compensation plans	1,119	732
Payments from issuance of common stock under stock compensation plans	(5,717)	(3,164)
Dividends paid	(14,613)	(10,916)
Net cash used in financing activities	(19,211)	(15,764)
Net change in cash and cash equivalents	(131,001)	164,159
Cash and cash equivalents at beginning of period	419,285	234,111
Cash and cash equivalents at end of period	288,284	398,270
Supplemental disclosure of non-cash financing activity:
Dividends payable	$ (7,308)	$ (5,459)