Income Taxes (Tables)

12 Months Ended

Jul. 31, 2017

Income Taxes [Abstract]

Components of (loss) income before income taxes

Year ended July 31  (in thousands)	2017			2016		2015
Domestic	$	(3,161	)	$	11,278	$	7,538
Foreign		10,781			18,190		84,665
INCOME BEFORE INCOME TAXES	$	7,620		$	29,468	$	92,203

Schedule of deferred income tax assets

July 31  (in thousands)	2017			2016
Deferred income tax assets:
Bad debt reserve	$	535		$	575
Accrued expenses		7,888			5,327
Stock options and restricted stock		1,608			1,802
Charitable contributions		1,768			1,527
Impairment		27,944			25,746
Depreciation		4,438			6,785
Unrealized gain		317			193
Net operating loss		122,260			122,849
Credits		2,899			3,192
Total deferred income tax assets		169,657			167,996
Valuation allowance		(157,816	)		(158,442	)
Deferred tax assets, net of valuation allowance		11,841			9,554
Deferred income tax liabilities:
Unrealized loss		—			42
NET DEFERRED INCOME TAX ASSETS	$	11,841		$	9,512

Schedule of benefit from (provision for) income taxes

Year ended July 31  (in thousands)	2017			2016			2015
Current:
Federal	$	—		$	(83	)	$	—
State and local		(26	)		(30	)		—
Foreign		(282	)		(185	)		(311	)
		(308	)		(298	)		(311	)
Deferred:
Federal		(9,536	)		(3,148	)		(1,967	)
State and local		(66	)		(51	)		(245	)
Foreign		11,931			(613	)		(3,565	)
		2,329			(3,812	)		(5,777	)
BENEFIT FROM (PROVISION FOR) INCOME TAXES	$	2,021		$	(4,110	)	$	(6,088	)

Schedule of U.S. federal statutory income tax rate and income taxes provided

Year ended July 31  (in thousands)	2017			2016			2015
U.S. federal income tax at statutory rate	$	(2,667	)	$	(10,314	)	$	(32,271	)
Valuation allowance		626			—			—
Foreign tax rate differential		3,107			6,035			25,757
Nondeductible expenses		457			487			659
Other		64			(67	)		(73	)
Prior year tax benefit (expense)		494			(231	)		—
State and local income tax, net of federal benefit		(60	)		(20	)		(160	)
BENEFIT FROM (PROVISION FOR) INCOME TAXES	$	2,021		$	(4,110	)	$	(6,088	)

Schedule of change in the valuation allowance

Year ended July 31  (in thousands)	Balance at beginning of year		Additions charged to costs and expenses		Deductions			Balance at end of year
2017
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	158,442	$	16,017	$	(16,643	)	$	157,816
2016
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	155,393	$	3,049	$	—		$	158,442
2015
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	151,975	$	3,418	$	—		$	155,393