CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Operating activities:
Net earnings	$ 22,553	$ 18,703
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,234	8,889
Non-cash portion of stock-based compensation expense	3,155	2,596
Deferred income taxes	2,027	726
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):
Accounts receivable	(680)	(3,342)
Inventories	1,197	1,368
Prepaid expenses and other assets	(1,170)	(3,081)
Accounts payable and accrued liabilities	2,546	2,402
Income taxes	(2,869)	2,109
Net cash provided by operating activities	33,993	30,370
Investing activities:
Purchases of property, plant and equipment	(3,959)	(2,334)
Other	1,511	1,539
Net cash used in investing activities	(2,448)	(795)
Financing activities:
Payment of dividends	(10,370)	(10,183)
Proceeds from exercise of stock options	8,813	0
Purchase of treasury stock	0	(16,160)
Proceeds (repayments) from borrowing on credit facilities	426	(2,738)
Debt issuance costs	0	(803)
Income tax on equity-based compensation, and other	(1,232)	(1,007)
Net cash used in financing activities	(2,363)	(30,891)
Effect of exchange rate changes on cash	(4,109)	(2,566)
Net increase (decrease) in cash and cash equivalents	25,073	(3,882)
Cash and cash equivalents, beginning of period	141,228	114,492
Cash and cash equivalents, end of period	$ 166,301	$ 110,610