Related Party Transactions (Tables)

12 Months Ended

Jul. 31, 2016

Related Party Transactions [Abstract]

Summary of changes in estimated liability to straight Path included in other current liabilities

Year ended July 31
(in thousands)	2016			2015
Balance at beginning of year	$	286		$	1,860
Additional liability		59			1,793
Adjustments		(136	)		(556	)
Payments		(76	)		(2,811	)
Balance at end of year	$	133		$	286