CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Operating activities
Net income	$ 51,206	$ 24,025
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	26,630	22,641
Non-cash stock compensation	6,230	5,685
Deferred income taxes	(34,036)	11,927
Change in assets and liabilities:
Accounts receivable, net	4,823	8,715
Income taxes	0	(20,232)
Inventories	(316)	(16,047)
Prepaid expenses and other assets	(5,237)	(3,194)
Accounts payable	19,984	13,871
Accrued expenses and other liabilities	(44,316)	(7,939)
Total adjustments	(26,238)	15,427
Net cash provided by operating activities	24,968	39,452
Investing activities
Capital expenditures	(51,734)	(46,265)
Net proceeds from sale of property and equipment	566	302
Net cash used in investing activities	(51,168)	(45,963)
Financing activities
Proceeds from issuance of restricted stock under stock compensation plans	659	187
Payments from issuance of common stock under stock compensation plans	(4,848)	(1,966)
Net cash used in financing activities	(4,189)	(1,779)
Net change in cash and cash equivalents	(30,389)	(8,290)
Cash and cash equivalents at beginning of period	419,285	234,111
Cash and cash equivalents at end of period	388,896	225,821
Supplemental disclosure of non-cash financing activity:
Dividends payable	$ (7,305)	$ (5,458)