CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Operating activities
Net income	$ 23,173	$ 10,681
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,641	19,871
Non-cash stock compensation	5,685	2,722
Deferred income taxes	11,927	29,735
Change in assets and liabilities:
Accounts receivable, net	8,715	(6,971)
Income taxes	(21,563)	(25,846)
Inventories	(16,047)	(11,019)
Prepaid expenses and other assets	(3,194)	(2,226)
Accounts payable	13,871	6,292
Accrued expenses and other liabilities	(7,939)	(43,551)
Total adjustments	14,096	(30,993)
Net cash provided by (used in) operating activities	37,269	(20,312)
Investing activities
Capital expenditures	(46,265)	(22,953)
Net proceeds from sale of property and equipment	302	3
Net cash used in investing activities	(45,963)	(22,950)
Financing activities
Proceeds from issuance of restricted stock under stock compensation plans	187	484
Payments from issuance of common stock under stock compensation plans	(1,966)	(2,686)
Tax benefit on vesting of restricted stock grants	2,183	3,910
Net cash provided by financing activities	404	1,708
Net change in cash and cash equivalents	(8,290)	(41,554)
Cash and cash equivalents at beginning of period	234,111	196,659
Cash and cash equivalents at end of period	225,821	155,105
Supplemental disclosure of non-cash financing activity:
Dividends payable	$ (5,458)	$ (4,966)