Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Jul. 31, 2011

Accrued Expenses and Other Current Liabilities [Abstract]

Accrued Expenses And Other Current Liabilities

	2011	2010
Accrued wages and benefits	$          19,751,000	21,607,000
Accrued warranty obligations	9,120,000	10,562,000
Accrued commissions and royalties	3,295,000	2,997,000
Accrued business acquisition payments	726,000	1,350,000
Other	16,966,000	16,882,000
Accrued expenses and other current liabilities	$     49,858,000	53,398,000

Product warranty rollforward

	2011	2010
Balance at beginning of period	$ 10,562,000	14,500,000
Provision for warranty obligations	8,203,000	6,786,000
Reversal of warranty liability	(1,120,000)	(1,685,000)
Warranty obligation transferred with sale of certain assets and liabilities	-	(400,000)
Charges incurred	(8,525,000)	(8,639,000)
Balance at end of period	$    9,120,000	10,562,000