CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2018	Jul. 31, 2017
Current assets:
Cash and cash equivalents	$ 130,903	$ 133,944
Accounts receivable—net	161,319	149,638
Inventories:
Finished products	72,809	69,760
Work-in-process	20,126	18,117
Raw materials and supplies	22,598	19,147
Total inventories	115,533	107,024
Prepaid expenses and other current assets	17,295	17,208
Total current assets	425,050	407,814
Other assets:
Goodwill	435,426	437,697
Other intangible assets	48,036	53,076
Deferred income taxes	8,688	35,456
Other	17,758	18,077
Property, plant and equipment, cost:
Land	7,332	7,470
Buildings and improvements	98,005	98,228
Machinery and equipment	268,736	261,192
Construction in progress	6,557	4,109
Property, plant and equipment, gross	380,630	370,999
Less accumulated depreciation	282,181	272,896
Property, plant and equipment—net	98,449	98,103
Total	1,033,407	1,050,223
Current liabilities:
Notes payable	0	3,228
Accounts payable	68,627	66,817
Wages and amounts withheld from employees	56,995	58,192
Taxes, other than income taxes	7,772	7,970
Accrued income taxes	5,564	7,373
Other current liabilities	42,436	43,618
Total current liabilities	181,394	187,198
Long-term obligations	58,157	104,536
Other liabilities	59,209	58,349
Total liabilities	298,760	350,083
Stockholders’ investment:
Class A nonvoting common stock—Issued 51,261,487 and 51,261,487 shares, respectively, and outstanding 48,238,412 and 47,814,818 shares, respectively	513	513
Class B voting common stock—Issued and outstanding, 3,538,628 shares	35	35
Additional paid-in capital	327,401	322,608
Earnings retained in the business	531,135	507,136
Treasury stock—3,023,075 and 3,446,669 shares, respectively, of Class A nonvoting common stock, at cost	(76,291)	(85,470)
Accumulated other comprehensive loss	(48,146)	(44,682)
Total stockholders’ investment	734,647	700,140
Total	$ 1,033,407	$ 1,050,223