Stock-Based Compensation (Tables)

6 Months Ended

Jul. 31, 2012

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 July 31,						Six Months Ended July 31,
	2012			2011			2012			2011
	(in thousands)
Stock option costs	$	318		$	806		$	1,920		$	995
Restricted stock costs	2,522			2,277			5,352			5,330
Performance shares	458			—			557			—
Total stock-based compensation costs	3,298			3,083			7,829			6,325
Less amount capitalized into qualifying real estate projects	(618		)	(1,493		)	(2,621		)	(1,924		)
Amount charged to operating expenses	2,680			1,590			5,208			4,401
Depreciation expense on capitalized stock-based compensation	207			186			414			371
Total stock-based compensation expense	$	2,887		$	1,776		$	5,622		$	4,772
Deferred income tax benefit	$	1,046		$	620		$	2,037		$	1,738