Income Taxes (Tables)

12 Months Ended

Jul. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Income (loss) from Continuing Operations Before Income Taxes

Year ended July 31 (in thousands)	2014		2013			2012
Domestic	$	21,624	$	44,355		$	9,573
Foreign		3,368		(10,405	)		(21,421	)
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	$	24,992	$	33,950		$	(11,848	)

Schedule of Deferred Income Tax Assets

July 31 (in thousands)	2014			2013
Deferred income tax assets:
Bad debt reserve	$	2,188		$	2,812
Accrued expenses		2,937			7,096
Stock options and restricted stock		2,131			2,786
Charitable contributions		1,230			2,415
Impairment		25,745			25,566
Depreciation		7,566			989
Unrealized gain		163			507
Net operating loss		126,093			144,001
Credits		3,123			2,845
Total deferred income tax assets		171,176			189,017
Valuation allowance		(151,975	)		(167,328	)
DEFERRED INCOME TAX ASSETS, NET	$	19,201		$	21,689

Schedule of (Provision for) Benefit from Income Taxes

Year ended July 31 (in thousands)	2014			2013			2012
Current:
Federal	$	(279	)	$	671		$	1,652
State and local		—			148			2,503
Foreign		(1,177	)		(1,431	)		1,741
		(1,456	)		(612	)		5,896
Deferred:
Federal		(6,461	)		(14,181	)		36,166
State and local		(175	)		(1,079	)		764
Foreign		4,110			—			(44	)
		(2,526	)		(15,260	)		36,886
(PROVISION FOR) BENEFIT FROM INCOME TAXES	$	(3,982	)	$	(15,872	)	$	42,782

Schedule of Statutory Income Tax Rate and Income Taxes Provided

Year ended July 31 (in thousands)	2014			2013			2012
U.S. federal income tax at statutory rate	$	(8,747	)	$	(11,883	)	$	4,147
Valuation allowance		4,110			—			41,961
Foreign tax rate differential		961			(5,073	)		(5,800	)
Nondeductible expenses		761			714			(26	)
Other		7			50			—
Prior year tax (expense) benefit		(960	)		921			2,500
State and local income tax, net of federal benefit		(114	)		(601	)		—
(PROVISION FOR) BENEFIT FROM INCOME TAXES	$	(3,982	)	$	(15,872	)	$	42,782

Schedule of Change in 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
2014
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	167,328	$	—	$	(15,353	)	$	151,975
2013
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	204,977	$	462	$	(38,111	)	$	167,328
2012
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	206,669	$	41,925	$	(43,617	)	$	204,977

Summary of Change in Balance of Unrecognized Income Tax Benefits

Year ended July 31 (in thousands)	2014			2013		2012
Balance at beginning of year	$	356		$	—	$	3,754
Additions based on tax positions related to the current year		—			—		—
Additions for tax positions of prior years		—			356		—
Reductions for tax positions of prior years		—			—		—
Settlements		(356	)		—		(3,754	)
Lapses of statutes of limitations		—			—		—
Balance at end of year	$	—		$	356	$	—