CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2018	Jul. 31, 2017
Current assets:
Cash and cash equivalents	$ 115,327	$ 133,944
Accounts receivable—net	164,400	149,638
Inventories:
Finished products	72,629	69,760
Work-in-process	19,472	18,117
Raw materials and supplies	21,344	19,147
Total inventories	113,445	107,024
Prepaid expenses and other current assets	20,950	17,208
Total current assets	414,122	407,814
Other assets:
Goodwill	443,873	437,697
Other intangible assets	50,131	53,076
Deferred income taxes	9,899	35,456
Other	18,579	18,077
Property, plant and equipment, cost:
Land	7,535	7,470
Buildings and improvements	98,256	98,228
Machinery and equipment	265,640	261,192
Construction in progress	6,176	4,109
Property, plant and equipment, gross	377,607	370,999
Less accumulated depreciation	279,826	272,896
Property, plant and equipment—net	97,781	98,103
Total	1,034,385	1,050,223
Current liabilities:
Notes payable	585	3,228
Accounts payable	64,365	66,817
Wages and amounts withheld from employees	49,679	58,192
Taxes, other than income taxes	7,997	7,970
Accrued income taxes	6,085	7,373
Other current liabilities	42,961	43,618
Total current liabilities	171,672	187,198
Long-term obligations	70,615	104,536
Other liabilities	60,125	58,349
Total liabilities	302,412	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	325,733	322,608
Earnings retained in the business	515,872	507,136
Treasury stock—3,023,075 and 3,446,669 shares, respectively, of Class A nonvoting common stock, at cost	(75,090)	(85,470)
Accumulated other comprehensive loss	(35,090)	(44,682)
Total stockholders’ investment	731,973	700,140
Total	$ 1,034,385	$ 1,050,223