Stock-Based Compensation (Tables)

3 Months Ended

Apr. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Amount of stock-based compensation costs and related deferred income tax benefit recognized in the financial statements

The amount of stock-based compensation costs and related deferred income tax benefit recognized in the financial statements are as follows:

	Three Months Ended April 30,
	2013			2012
	(in thousands)
Stock option costs	$	1,335		$	1,602
Restricted stock costs	3,406			2,830
Performance share costs	511			99
Total stock-based compensation costs	5,252			4,531
Less amount capitalized into qualifying real estate projects	(1,818		)	(2,003		)
Amount charged to operating expenses	3,434			2,528
Depreciation expense on capitalized stock-based compensation	240			207
Total stock-based compensation expense	$	3,674		$	2,735
Deferred income tax benefit	$	1,354		$	991