WARRANTIES

Accruals necessary for product warranties are estimated based on historical warranty costs and average time elapsed between purchases and returns for each division. Additional accruals are made for any significant, discrete warranty issues. Changes in the warranty accrual were as follows:



	Three Months Ended						Six Months Ended
	July 31, 2012			July 31, 2011			July 31, 2012			July 31, 2011
Beginning balance	$	1,792		$	1,631		$	1,699		$	1,437
Accrual for warranties	778			781			1,598			1,588
Settlements made (in cash or in kind)	(621		)	(770		)	(1,348		)	(1,383		)
Ending balance	$	1,949		$	1,642		$	1,949		$	1,642