Accrued Expenses and Other Current Liabilities

3 Months Ended

Oct. 31, 2015

Accrued Liabilities, Current [Abstract]

Accrued Expenses and Other Current Liabilities

Accrued Expenses and Other Current Liabilities

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

	October 31, 2015		July 31, 2015
Accrued wages and benefits	$	8,161,000	12,134,000
Accrued warranty obligations	8,702,000		8,638,000
Accrued commissions and royalties	1,976,000		2,398,000
Other	7,195,000		6,300,000
Accrued expenses and other current liabilities	$	26,034,000	29,470,000

Accrued Warranty Obligations

We provide warranty coverage for most of our products for a period of at least one year from the date of shipment. We record a liability for estimated warranty expense based on historical claims, product failure rates and other factors. Some of our product warranties are provided under long-term contracts, the costs of which are incorporated into our estimates of total contract costs.

Changes in our product warranty liability were as follows:

	Three months ended October 31,
	2015			2014
Balance at beginning of period	$	8,638,000		8,618,000
Provision for warranty obligations	1,200,000			1,316,000
Charges incurred	(1,136,000		)	(1,216,000	)
Balance at end of period	$	8,702,000		8,718,000