Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Cash flows from operating activities:
Net income	$ 173,747	$ 130,418
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	17,451	10,442
Amortization of intangible assets	17,662	11,606
Impairment charges	9,113
Deferred income tax provision	(1,379)	(2,787)
(Gain) loss on disposition of property, plant and equipment	20	(81)
Stock-based compensation expense	6,991	5,047
Excess tax benefits from stock-based awards	(291)	(114)
Changes in assets and liabilities (excluding acquisitions):
Accounts receivable	(112,112)	(69,373)
Inventories	(29,137)	(27,541)
Prepaid income taxes, expenses and other	(2,010)	(4,466)
Accounts payable	35,084	30,136
Accrued liabilities	28,523	10,549
Other liabilities	1,246	(2,442)
Net cash provided by operating activities	144,908	91,394
Cash flows from investing activities:
Purchases of property, plant and equipment	(39,411)	(29,014)
Proceeds from dispositions of property, plant and equipment	236	91
Proceeds from notes receivable	8,367	1,400
Acquisitions, net of cash acquired		(49,265)
Other	(613)	20
Net cash used in investing activities	(31,421)	(76,768)
Cash flows from financing activities:
Regular cash dividends paid	(47,227)	(43,237)
Principal payments on capital lease obligations	(248)
Excess tax benefits from stock-based awards	291	114
Proceeds from issuance of common stock		141
Payments related to vesting of stock-based awards	(2,484)	(1,562)
Net cash used in financing activities	(49,668)	(44,544)
Net increase (decrease) in cash and cash equivalents	63,819	(29,918)
Cash and cash equivalents, beginning of period	183,478	289,336
Cash and cash equivalents, end of period	247,297	259,418
Supplemental cash flow information:
Income taxes paid	85,702	74,062
Interest paid	508	1
Non-cash transactions:
Capital expenditures in accounts payable	$ 963	$ 625