Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Oct. 31, 2017

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



	October 31, 2017		July 31, 2017
Accrued wages and benefits	$	20,436,000	19,622,000
Accrued warranty obligations	13,001,000		17,617,000
Accrued contract costs	8,363,000		8,644,000
Accrued legal costs	7,983,000		8,402,000
Accrued commissions and royalties	2,540,000		3,600,000
Other	10,780,000		10,725,000
Accrued expenses and other current liabilities	$	63,103,000	68,610,000

Changes in our current accrued warranty obligations during the three months ended October 31, 2017 and 2016 were as follows:



	Three months ended October 31,
	2017			2016
Balance at beginning of period	$	17,617,000		15,362,000
Provision for warranty obligations	1,106,000			1,083,000
Charges incurred	(1,830,000		)	(1,461,000		)
Warranty settlement (see below)	(3,892,000		)	—
Balance at end of period	$	13,001,000		$	14,984,000