Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2019	Oct. 31, 2018
Cash flows from operating activities
Net income	$ 5,767	$ 19,242
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	6,338	4,691
Amortization	6,029	6,041
Stock-based compensation expense	2,404	2,576
Amortization of right-of-use assets	2,722
Deferred income taxes	1,454	(674)
Inventory step-up amortization	4,772	0
Other non-cash items, net	(548)	1,236
Changes in assets and liabilities, net of effects of acquisitions/dispositions:
Accounts receivable	(348)	(4,087)
Inventories	(6,254)	(3,359)
Prepaid expenses and other assets	1,147	1,089
Accounts payable and other liabilities	(13,664)	1,055
Income taxes	1,450	4,459
Operating lease liabilities	(2,338)
Net cash provided by operating activities	8,931	32,269
Cash flows from investing activities
Capital expenditures	(10,390)	(38,834)
Acquisitions, net of cash acquired	(658,932)	(17,000)
Net cash used in investing activities	(669,322)	(55,834)
Cash flows from financing activities
Borrowings of long-term debt	400,000	0
Repayments of long-term debt	(2,375)	(2,500)
Borrowings under revolving credit facility	291,400	0
Repayments under revolving credit facility	(10,900)	0
Debt issuance costs	(9,234)	0
Finance lease liabilities	(127)
Purchases of treasury stock	(3,613)	(4,288)
Net cash provided by (used in) financing activities	665,151	(6,788)
Effect of exchange rate changes on cash and cash equivalents	(10)	286
Increase (decrease) in cash and cash equivalents	4,750	(30,067)
Cash and cash equivalents at beginning of period	44,535	94,097
Cash and cash equivalents at end of period	$ 49,285	$ 64,030