Condensed Consolidated Balance Sheets - USD ($)	Apr. 30, 2024	Jul. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,192,000	$ 18,961,000
Accounts receivable, net	199,646,000	163,159,000
Inventories, net	96,120,000	105,845,000
Prepaid expenses and other current assets	21,428,000	17,521,000
Total current assets	344,386,000	305,486,000
Property, plant and equipment, net	50,653,000	53,029,000
Operating lease right-of-use assets, net	33,791,000	44,410,000
Goodwill	333,105,000	347,692,000
Intangibles with finite lives, net	210,041,000	225,907,000
Deferred financing costs, net	1,722,000	2,349,000
Other assets, net	17,301,000	17,364,000
Total assets	990,999,000	996,237,000
Current liabilities:
Accounts payable	54,520,000	64,241,000
Accrued expenses and other current liabilities	64,869,000	66,990,000
Current portion of long-term debt	3,712,000	4,375,000
Operating lease liabilities, current	8,014,000	8,645,000
Contract liabilities	61,014,000	66,351,000
Interest payable	1,256,000	1,368,000
Total current liabilities	193,385,000	211,970,000
Non-current portion of long-term debt	157,709,000	160,029,000
Operating lease liabilities, non-current	31,250,000	41,763,000
Income taxes payable, non-current	2,294,000	2,208,000
Deferred tax liability, net	8,231,000	9,494,000
Long-term contract liabilities	19,795,000	18,419,000
Other liabilities	1,662,000	1,844,000
Total liabilities	414,326,000	445,727,000
Commitments and contingencies (See Note 19)
Convertible preferred stock, par value $0.10 per share; authorized and issued 166,121 shares at April 30, 2024 (includes accrued dividends of $1,267,000) and authorized 125,000 shares; issued 100,000 at July 31, 2023 (includes accrued dividends of $604,000)	170,254,000	112,211,000
Equity, Attributable to Parent [Abstract]
Preferred stock, par value $0.10 per share; authorized and unissued 1,833,879 and 1,875,000 shares at April 30, 2024 and July 31, 2023, respectively	0	0
Common stock, par value $0.10 per share; authorized 100,000,000 shares; issued 43,526,372 and 43,096,271 shares at April 30, 2024 and July 31, 2023, respectively	4,353,000	4,310,000
Additional paid-in capital	639,730,000	636,925,000
Retained earnings	204,185,000	238,913,000
Stockholders' equity before treasury stock	848,268,000	880,148,000
Treasury stock, at cost (15,033,317 shares at April 30, 2024 and July 31, 2023)	(441,849,000)	(441,849,000)
Total stockholders’ equity	406,419,000	438,299,000
Total liabilities, convertible preferred stock and stockholders’ equity	$ 990,999,000	$ 996,237,000