CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Operating activities:
Net earnings	$ 56,109	$ 70,403
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,047	20,789
Non-cash portion of stock-based compensation expense	7,581	7,445
Deferred income taxes	26,501	(2,707)
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):
Accounts receivable	(10,710)	(931)
Inventories	(7,790)	666
Prepaid expenses and other assets	480	(1,987)
Accounts payable and other liabilities	(133)	754
Income taxes	(1,863)	(3,270)
Net cash provided by operating activities	89,222	91,162
Investing activities:
Purchases of property, plant and equipment	(14,755)	(10,856)
Other	(197)	38
Net cash used in investing activities	(14,952)	(10,818)
Financing activities:
Payments of Dividends	(32,110)	(31,362)
Proceeds from exercise of stock options	10,011	18,674
Proceeds from Lines of Credit	17,439	154,653
Proceeds from (Repayments of) Lines of Credit	(69,012)	(215,068)
Debt Instrument, Periodic Payment, Principal	0	(16,371)
Income tax on equity-based compensation, and other	(3,622)	(512)
Net cash used in financing activities	(77,294)	(89,986)
Effect of exchange rate changes on cash	(17)	(2,509)
Net decrease in cash and cash equivalents	(3,041)	(12,151)
Cash and cash equivalents, beginning of period	133,944	141,228
Cash and cash equivalents, end of period	$ 130,903	$ 129,077