Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Oct. 31, 2022

Payables and Accruals [Abstract]

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consist of the following at:

	October 31, 2022		July 31, 2022
Accrued wages and benefits	$	26,282,000	25,675,000
Accrued warranty obligations	9,394,000		9,420,000
Accrued contract costs	17,149,000		15,921,000
Accrued commissions and royalties	6,393,000		5,697,000
Accrued legal costs	2,724,000		2,514,000
Other	13,499,000		13,435,000
Accrued expenses and other current liabilities	$	75,441,000	72,662,000

Product warranty rollforward

Changes in our accrued warranty obligations during the three months ended October 31, 2022 and 2021 were as follows:

	Three months ended October 31,
	2022		2021
Balance at beginning of period	$	9,420,000	17,600,000
Provision for warranty obligations	409,000		271,000
Charges incurred	(435,000)		(982,000)
Balance at end of period	$	9,394,000	16,889,000