Commitments and Guarantees (Tables)

3 Months Ended

Oct. 31, 2012

Product Warranty Liability

The following table presents our product warranty liability for the three months ended October 31, 2012 and 2011:

	Three Months Ended
	October,
	2012			2011
Balance at the beginning of the period	$	5,634		$	5,174
Accrual		1,284			1,962
Settlements made in cash or in kind during the period		(1,475	)		(1,886	)
Balance at the end of the period	$	5,443		$	5,250