(12) Warranties

The Company generally warrants its products against certain manufacturing and other defects. These product warranties are provided for specific periods and/or usage of the product. The accrued product warranty costs are for a combination of specifically identified items and other incurred, but not identified items based primarily on historical experience of actual warranty claims. This reserve is classified within other current liabilities. The following tables provide the changes in the Company's product warranties:


		Three months ended
		February 29,		February 28,
$ in thousands		2012			2011
Warranties:
Product warranty accrual balance, beginning of period	$	3,745		$	1,796
Liabilities accrued for warranties during the period		836			843
Warranty claims paid during the period		(752	)		(723	)
Product warranty accrual balance, end of period	$	3,829		$	1,916


		Six months ended
		February 29,		February 28,
$ in thousands		2012			2011
Warranties:
Product warranty accrual balance, beginning of period	$	3,651		$	1,862
Liabilities accrued for warranties during the period		1,735			1,685
Warranty claims paid during the period		(1,557	)		(1,631	)
Product warranty accrual balance, end of period	$	3,829		$	1,916