Stock-Based Compensation (Tables)

11 Months Ended

Dec. 31, 2013

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

Schedule of Stock-Based Compensation Costs and Related Deferred Income Tax Benefit

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

	11 Months Ended			Years Ended
	December 31, 2013			January 31, 2013			January 31, 2012
	(in thousands)
Stock option costs	$	3,051		$	3,101		$	2,606
Restricted stock costs	10,672			10,324			9,979
Performance share costs	2,474			1,326			—
Total stock-based compensation costs	16,197			14,751			12,585
Less amount capitalized into qualifying real estate projects	(5,826		)	(5,396		)	(4,935		)
Amount charged to operating expenses	10,371			9,355			7,650
Depreciation expense on capitalized stock-based compensation	876			827			1,246
Total stock-based compensation expense	$	11,247		$	10,182		$	8,896
Deferred income tax benefit	$	4,111		$	3,671		$	3,184

Schedule of Stock Options Valuation Assumptions

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for options granted during the respective years:

	11 Months Ended		Years Ended
	December 31, 2013		January 31, 2013		January 31, 2012
Risk-free interest rate	0.78	%	1.10	%	2.61	%
Expected volatility	74.10	%	74.10	%	72.40	%
Expected dividend yield	0.00	%	0.00	%	0.00	%
Expected term (in years)	5.5		5.5		5.5

Schedule of Stock Options Activity

The following table provides a summary of stock option activity for the 11 months ended December 31, 2013:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Intrinsic Value (in thousands)
Outstanding at January 31, 2013	3,984,497		$	35.62
Granted	241,860		$	17.60
Exercised	(76,200	)	$	15.14
Forfeited/expired	(68,092	)	$	32.69
Outstanding at December 31, 2013	4,082,065		$	34.98	4.38	$	6,086
Options exercisable (fully vested) at December 31, 2013	3,097,724		$	40.83	3.28	$	3,599

Schedule of Restricted Stock Activity

The following table provides a summary of restricted stock activity for the 11 months ended December 31, 2013:

	Shares		Weighted Average Grant-Date Fair Value
Unvested shares at January 31, 2013	2,116,064		$	15.06
Granted	653,447		$	17.60
Vested	(599,864	)	$	12.95
Forfeited	(10,380	)	$	16.04
Unvested shares at December 31, 2013	2,159,267		$	16.41

Schedule of Performance Share Activity

The following table provides a summary of the performance share activity for the 11 months ended December 31, 2013:

	Shares		Weighted Average Grant-Date Fair Value
Unvested shares at January 31, 2013	295,337		$	20.74
Granted	299,460		$	17.78
Vested	—		$	—
Forfeited	(7,587	)	$	20.74
Unvested shares at December 31, 2013	587,210		$	19.23

The range of performance shares that can be earned as of December 31, 2013 is as follows:

Performance Period	Range	Minimum Shares	Target Shares	Maximum Shares
February 1, 2012 to December 31, 2015	0% to 200%	—	287,750	575,500
February 1, 2013 to December 31, 2016	0% to 200%	—	299,460	598,920
		—	587,210	1,174,420