Accrued Expenses and Other Current Liabilities

6 Months Ended

Jan. 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:

	January 31, 2015		July 31, 2014
Accrued wages and benefits	$	10,278,000	12,410,000
Accrued warranty obligations	8,295,000		8,618,000
Accrued commissions and royalties	3,322,000		3,215,000
Other	5,664,000		5,560,000
Accrued expenses and other current liabilities	$	27,559,000	29,803,000

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:

	Six months ended January 31,
	2015			2014
Balance at beginning of period	$	8,618,000		7,797,000
Provision for warranty obligations	1,992,000			3,548,000
Charges incurred	(2,315,000		)	(3,054,000	)
Balance at end of period	$	8,295,000		8,291,000