CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Cash flows from operating activities
Net income	$ 22,929	$ 18,800
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,036	3,454
Amortization	4,048	3,909
Stock-based compensation expense	1,851	2,922
Deferred income taxes	780	1,917
Other non-cash items, net	(67)	333
Changes in assets and liabilities, net of effects of business acquisitions:
Accounts receivable	8,584	1,577
Inventories	(2,629)	(1,824)
Prepaid expenses and other assets	(6,273)	(2,801)
Accounts payable and other liabilities	(6,679)	(5,290)
Income taxes	3,492	1,911
Net cash provided by operating activities	30,072	24,908
Cash flows from investing activities
Capital expenditures	(6,492)	(8,143)
Proceeds from disposal of fixed assets	0	21
Acquisition of businesses, net of cash acquired	(60,345)	(57,768)
Other, net	0	255
Net cash used in investing activities	(66,837)	(65,635)
Cash flows from financing activities
Borrowings under revolving credit facility	61,300	61,000
Repayments under revolving credit facility	(19,300)	(16,000)
Purchases of treasury stock	(5,822)	(6,216)
Net cash provided by financing activities	36,178	38,784
Effect of exchange rate changes on cash and cash equivalents	1,223	(289)
Increase (decrease) in cash and cash equivalents	636	(2,232)
Cash and cash equivalents at beginning of period	36,584	28,367
Cash and cash equivalents at end of period	$ 37,220	$ 26,135