Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Apr. 30, 2016

Accrued Liabilities, Current [Abstract]

Accrued expenses and other current liabilities

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

	April 30, 2016		July 31, 2015
Accrued wages and benefits	$	21,432,000	12,134,000
Accrued legal costs	9,707,000		275,000
Accrued warranty obligations	8,639,000		8,638,000
Accrued acquisition-related costs	8,051,000		69,000
Accrued contract costs	10,941,000		749,000
Accrued commissions and royalties	2,333,000		2,398,000
Other	14,034,000		5,207,000
Accrued expenses and other current liabilities	$	75,137,000	$	29,470,000

Product warranty rollforward

Changes in our product warranty liability were as follows:

	Nine months ended April 30,
	2016			2015
Balance at beginning of period	$	8,638,000		8,618,000
Provision for warranty obligations	3,183,000			3,255,000
Additions (in connection with the TCS acquisition)	154,000			—
Charges incurred	(3,336,000		)	(3,580,000	)
Balance at end of period	$	8,639,000		8,293,000