Note 17. Equity Incentive Plans and Employee Benefits (Detail) - Stock Options By Exercise Prices Range (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Options Outstanding Number of Shares Outstanding (in Shares)	5,055,787	5,846,027	6,084,125		5,745,795
Options Outstanding Weighted Average Remaining Life	4 years 328 days	6 years 73 days	6 years 328 days	7 years 146 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 12.50	$ 12.47	$ 12.26		$ 11.96
Options Exercisable Number of Shares Exercisable (in Shares)	3,790,842
$0.92 - $6.67 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 0.92
Options Outstanding Range of Exercise Prices Per Share Upper	$ 6.67
Options Outstanding Number of Shares Outstanding (in Shares)	526,965
Options Outstanding Weighted Average Remaining Life	6 years 219 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 5.40
Options Exercisable Number of Shares Exercisable (in Shares)	179,622
Options Exercisable Weighted Average Exercise Price Per Share	$ 4.79
$7.32 - $10.51 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 7.32
Options Outstanding Range of Exercise Prices Per Share Upper	$ 10.51
Options Outstanding Number of Shares Outstanding (in Shares)	511,251
Options Outstanding Weighted Average Remaining Life	3 years 146 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 8.79
Options Exercisable Number of Shares Exercisable (in Shares)	448,775
Options Exercisable Weighted Average Exercise Price Per Share	$ 8.60
$10.59 - $10.59 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 10.59
Options Outstanding Range of Exercise Prices Per Share Upper	$ 10.59
Options Outstanding Number of Shares Outstanding (in Shares)	544,546
Options Outstanding Weighted Average Remaining Life	6 years
Options Outstanding Weighted Average Exercise Price Per Share	$ 10.59
Options Exercisable Number of Shares Exercisable (in Shares)	333,966
Options Exercisable Weighted Average Exercise Price Per Share	$ 10.59
$10.87 - $10.87 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 10.87
Options Outstanding Range of Exercise Prices Per Share Upper	$ 10.87
Options Outstanding Number of Shares Outstanding (in Shares)	511,318
Options Outstanding Weighted Average Remaining Life	5 years 36 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 10.87
Options Exercisable Number of Shares Exercisable (in Shares)	428,284
Options Exercisable Weighted Average Exercise Price Per Share	$ 10.87
$11.06 - $11.07 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 11.06
Options Outstanding Range of Exercise Prices Per Share Upper	$ 11.07
Options Outstanding Number of Shares Outstanding (in Shares)	865,696
Options Outstanding Weighted Average Remaining Life	4 years 292 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 11.06
Options Exercisable Number of Shares Exercisable (in Shares)	714,051
Options Exercisable Weighted Average Exercise Price Per Share	$ 11.06
$11.09 - $11.47 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 11.09
Options Outstanding Range of Exercise Prices Per Share Upper	$ 11.47
Options Outstanding Number of Shares Outstanding (in Shares)	522,464
Options Outstanding Weighted Average Remaining Life	4 years
Options Outstanding Weighted Average Exercise Price Per Share	$ 11.27
Options Exercisable Number of Shares Exercisable (in Shares)	466,426
Options Exercisable Weighted Average Exercise Price Per Share	$ 11.28
$11.66 - $12.21 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 11.66
Options Outstanding Range of Exercise Prices Per Share Upper	$ 12.21
Options Outstanding Number of Shares Outstanding (in Shares)	544,840
Options Outstanding Weighted Average Remaining Life	5 years 292 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 11.92
Options Exercisable Number of Shares Exercisable (in Shares)	347,264
Options Exercisable Weighted Average Exercise Price Per Share	$ 11.95
$12.27 - $15.91 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 12.27
Options Outstanding Range of Exercise Prices Per Share Upper	$ 15.91
Options Outstanding Number of Shares Outstanding (in Shares)	546,826
Options Outstanding Weighted Average Remaining Life	4 years
Options Outstanding Weighted Average Exercise Price Per Share	$ 14.77
Options Exercisable Number of Shares Exercisable (in Shares)	408,804
Options Exercisable Weighted Average Exercise Price Per Share	$ 14.78
$16.25 - $41.58 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 16.25
Options Outstanding Range of Exercise Prices Per Share Upper	$ 41.58
Options Outstanding Number of Shares Outstanding (in Shares)	431,881
Options Outstanding Weighted Average Remaining Life	4 years
Options Outstanding Weighted Average Exercise Price Per Share	$ 28.26
Options Exercisable Number of Shares Exercisable (in Shares)	413,650
Options Exercisable Weighted Average Exercise Price Per Share	$ 28.77
$45.83 - $45.83 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 45.83
Options Outstanding Range of Exercise Prices Per Share Upper	$ 45.83
Options Outstanding Number of Shares Outstanding (in Shares)	50,000
Options Outstanding Weighted Average Remaining Life	4 years 292 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 45.83
Options Exercisable Number of Shares Exercisable (in Shares)	50,000
Options Exercisable Weighted Average Exercise Price Per Share	$ 45.83
$0.92 - $45.83 [Member]
Options Outstanding Range of Exercise Prices Per Share Lower	$ 0.92
Options Outstanding Range of Exercise Prices Per Share Upper	$ 45.83
Options Outstanding Number of Shares Outstanding (in Shares)	5,055,787
Options Outstanding Weighted Average Remaining Life	4 years 328 days
Options Outstanding Weighted Average Exercise Price Per Share	$ 12.50
Options Exercisable Number of Shares Exercisable (in Shares)	3,790,842
Options Exercisable Weighted Average Exercise Price Per Share	$ 13.31