INCOME TAXES (Tables)

3 Months Ended

Apr. 30, 2016

INCOME TAXES

Actual Income Tax Expense Amounts

	Three Months Ended April 30,
	2016			2015
Computed expected income tax expense	$	7,452		$	5,499
State income taxes, net of federal tax benefit	584			815
Permanent differences, net	(1,185		)	(1,436		)
Other, net	321			(17		)
	$	7,172		$	4,861

Schedule of Tax Effects of Temporary Differences that Gave Rise to Deferred Tax Assets and Liabilities

	April 30,			January 31,
	2016			2016
Assets:
Net operating loss (“NOL”) carryforwards	$	3,132		$	3,345
Stock options	2,426			2,354
Purchased intangibles	1,821			1,905
Accrued expenses	1,509			2,144
Purchased intangibles and other	850			328
	9,738			10,076
Liabilities:
Construction contracts	$	(5,292	)	$	(3,681	)
Purchased intangibles	(4,316		)	(4,375		)
Property and equipment and other	(2,251		)	(2,244		)
	(11,859		)	(10,300		)
Net deferred tax liabilities	$	(2,121	)	$	(224	)