Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Oct. 31, 2016

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



	October 31, 2016		July 31, 2016
Accrued wages and benefits	$	24,113,000	23,394,000
Accrued legal costs	31,442,000		32,469,000
Accrued warranty obligations	14,984,000		15,362,000
Accrued acquisition-related costs	1,375,000		2,119,000
Accrued contract costs	8,909,000		8,348,000
Accrued commissions and royalties	2,918,000		3,473,000
Other	12,939,000		12,869,000
Accrued expenses and other current liabilities	$	96,680,000	$	98,034,000

our product warranty liability during the three months ended October 31, 2016 and 2015 were as follows:



	Three months ended October 31,
	2016			2015
Balance at beginning of period	$	15,362,000		8,638,000
Provision for warranty obligations	1,083,000			1,200,000
Charges incurred	(1,461,000		)	(1,136,000	)
Balance at end of period	$	14,984,000		8,702,000