Stock-Based Compensation (Tables)

9 Months Ended

Oct. 31, 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 October 31,						Nine Months Ended October 31,
	2013			2012			2013			2012
	(in thousands)
Stock option costs	$	673		$	590		$	2,601		$	2,510
Restricted stock costs	2,722			2,481			8,857			7,833
Performance share costs	736			417			1,983			974
Total stock-based compensation costs	4,131			3,488			13,441			11,317
Less amount capitalized into qualifying real estate projects	(1,590		)	(1,410		)	(4,765		)	(4,031		)
Amount charged to operating expenses	2,541			2,078			8,676			7,286
Depreciation expense on capitalized stock-based compensation	241			206			721			620
Total stock-based compensation expense	$	2,782		$	2,284		$	9,397		$	7,906
Deferred income tax benefit	$	1,009		$	819		$	3,440		$	2,856