CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Operating activities:
Net earnings	$ 91,060	$ 95,645	$ 80,110
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	25,442	27,303	32,432
Non-cash portion of stock-based compensation expense	9,980	9,495	8,154
Gain on sale of business, net	(4,666)	0	0
Deferred income taxes	33,656	(8,618)	2,085
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):
Accounts receivable	(16,612)	766	8,159
Inventories	(7,563)	(5,687)	4,833
Prepaid expenses and other assets	1,747	1,812	475
Accounts payable and accrued liabilities	13,091	22,255	3,928
Income taxes	(3,093)	1,061	(1,200)
Net cash provided by operating activities	143,042	144,032	138,976
Investing activities:
Purchases of property, plant and equipment	(21,777)	(15,167)	(17,140)
Sale of business, net of cash transferred with business	19,141	0	0
Other	(269)	(86)	1,724
Net cash used in investing activities	(2,905)	(15,253)	(15,416)
Financing activities:
Payment of dividends	(42,873)	(41,880)	(40,808)
Proceeds from exercise of stock options	12,099	19,728	5,246
Purchase of treasury stock	(1,462)	0	(23,552)
Proceeds from borrowings on line of credit	23,221	180,320	96,276
Repayment of borrowing on line of credit	(78,419)	(244,268)	(91,759)
Principal payments on debt	0	(49,302)	(42,514)
Payments of Debt Issuance Costs	0	0	(803)
Income tax on equity-based compensation, and other	(3,246)	(839)	(1,662)
Net cash used in financing activities	(90,680)	(136,241)	(99,576)
Effect of exchange rate changes on cash and cash equivalents	(1,974)	178	2,752
Net increase (decrease) in cash and cash equivalents	47,483	(7,284)	26,736
Cash and cash equivalents, beginning of period	133,944	141,228	114,492
Cash and cash equivalents, end of period	181,427	133,944	141,228
Cash paid during the period for:
Interest	2,976	5,766	8,528
Income taxes	$ 33,267	$ 31,885	$ 28,497