Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Cash flows from operating activities:
Net income	$ 8,536	$ 208,158
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	21,463	18,619
Amortization of intangibles	25,117	27,354
Amortization of debt issuance costs	785	785
Foreign currency forward contract loss	73,707
Deferred income tax provision (benefit)	(84)	23,312
Gain on disposition of property, plant and equipment	(29)	(1,482)
Stock-based compensation expense	9,486	8,731
Changes in assets and liabilities:
Accounts receivable	142,453	(138,930)
Inventories	(23,933)	(129,875)
Prepaid income taxes, expenses and other	(31,693)	(7,140)
Accounts payable	(62,208)	27,235
Accrued liabilities	(30,213)	11,283
Long-term liabilities and other	1,243	8,795
Net cash provided by operating activities	134,630	56,845
Cash flows from investing activities:
Purchases of property, plant and equipment	(54,802)	(63,003)
Proceeds from dispositions of property, plant and equipment	66	3,552
Equity investment in joint venture	(3,500)
Other		960
Net cash used in investing activities	(58,236)	(58,491)
Cash flows from financing activities:
Principal payments on revolving credit facility		(65,000)
Regular cash dividends paid	(41,189)	(38,994)
Principal payments on capital lease obligations	(203)	(186)
Payments related to vesting of stock-based awards	(4,418)	(7,657)
Net cash used in financing activities	(45,810)	(111,837)
Net increase (decrease) in cash and cash equivalents	30,584	(113,483)
Cash and cash equivalents, beginning of period	275,249	223,258
Cash and cash equivalents, end of period	305,833	109,775
Supplemental cash flow information:
Income taxes paid	57,728	137,169
Interest paid	1,055	2,114
Non-cash investing and financing transactions:
Capital expenditures in accounts payable	$ 490	$ 4,929