Condensed Consolidated Balance Sheets - USD ($)	Jan. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Current assets:
Cash and cash equivalents	$ 21,504,000	$ 21,654,000
Accounts receivable, net	134,922,000	123,711,000
Inventories, net	100,130,000	96,317,000
Prepaid expenses and other current assets	19,871,000	21,649,000
Total current assets	276,427,000	263,331,000
Property, plant and equipment, net	54,146,000	50,363,000
Operating lease right-of-use assets, net	47,633,000	49,767,000
Goodwill	347,692,000	347,692,000
Intangibles with finite lives, net	236,605,000	247,303,000
Deferred financing costs, net	3,274,000	1,014,000
Other assets, net	17,895,000	14,827,000
Total assets	983,672,000	974,297,000
Current liabilities:
Accounts payable	38,491,000	44,591,000
Accrued expenses and other current liabilities	68,655,000	72,662,000
Current portion of long-term debt	3,125,000	0
Operating lease liabilities, current	8,218,000	8,685,000
Dividends payable	2,775,000	2,746,000
Contract liabilities	63,847,000	64,601,000	$ 66,130,000
Interest payable	1,132,000	172,000
Total current liabilities	186,243,000	193,457,000
Non-current portion of long-term debt	164,385,000	130,000,000
Operating lease liabilities, non-current	42,923,000	44,423,000
Income taxes payable	3,468,000	3,007,000
Deferred tax liability, net	13,603,000	15,355,000
Long-term contract liabilities	13,270,000	9,975,000
Other liabilities	5,033,000	6,291,000
Total liabilities	428,925,000	402,508,000
Commitments and contingencies (See Note 18)
Convertible preferred stock, par value $0.10 per share; authorized 125,000 shares; issued 100,000 at January 31, 2023 and July 31, 2022 (includes accrued dividends of $585,000 and $566,000, respectively)	108,651,000	105,204,000
Stockholders’ equity:
Preferred stock, par value $0.10 per share; authorized and unissued 1,875,000 shares	0	0
Common stock, par value $0.10 per share; authorized 100,000,000 shares; issued 42,900,871 and 42,672,827 shares at January 31, 2023 and July 31, 2022, respectively	4,290,000	4,267,000
Additional paid-in capital	630,233,000	625,484,000
Retained earnings	253,422,000	278,683,000
Stockholders' equity before treasury stock	887,945,000	908,434,000
Treasury stock, at cost (15,033,317 shares at January 31, 2023 and July 31, 2022)	(441,849,000)	(441,849,000)
Total stockholders’ equity	446,096,000	466,585,000
Total liabilities, convertible preferred stock and stockholders’ equity	$ 983,672,000	$ 974,297,000