Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Apr. 30, 2015

Accrued Liabilities, Current [Abstract]

Accrued expenses and other current liabilities

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

	April 30, 2015		July 31, 2014
Accrued wages and benefits	$	10,126,000	12,410,000
Accrued warranty obligations	8,293,000		8,618,000
Accrued commissions and royalties	2,768,000		3,215,000
Other	5,888,000		5,560,000
Accrued expenses and other current liabilities	$	27,075,000	29,803,000

Product warranty rollforward

Changes in our product warranty liability were as follows:

	Nine months ended April 30,
	2015			2014
Balance at beginning of period	$	8,618,000		7,797,000
Provision for warranty obligations	3,255,000			5,364,000
Charges incurred	(3,580,000		)	(4,176,000	)
Balance at end of period	$	8,293,000		8,985,000