Accounting For Share-Based Payments - Warrants (Details) (Warrant [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	May 04, 2013		Feb. 02, 2013
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	6,299,971		6,305,304
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price	$ 11.80		$ 11.79
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Remaining Contractual Term	5 years 1 month 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	0	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Grants in Period, Weighted Average Exercise Price	$ 0.00	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised	(5,333)
Share-based Compensation Arrangements by Share-based Payment Award, Non-Option Equity Instruments, Exercises in Period, Weighted Average Exercise Price	$ 3.38
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures	0
Share-based Compensation Arrangements by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures in Period, Weighted Average Exercise Price	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested, Number	6,299,971
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested, Weighted Average Exercise Price	$ 11.80
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested, Weighted Average Remaining Contractual Term	5 years 1 month 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested, Intrinsic Value	0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Number	6,299,971
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Exercise Price	$ 11.80
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Remaining Contractual Term	5 years 1 month 6 days

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