Preferred Stock Purchase Rights (Details) (USD $)	1 Months Ended	12 Months Ended
	May 25, 1999	Feb. 02, 2013	May 24, 1999	Feb. 02, 2013 Minimum [Member]	Feb. 02, 2013 Common Class A [Member]	Jan. 28, 2012 Common Class A [Member]	Jul. 16, 1998 Common Class A [Member]	Feb. 02, 2013 Series A Participating Cumulative Preferred Stock [Member]
Class of Warrant or Right [Line Items]
Dividend declared of Series A Participating Cumulative Preferred Stock Purchase Right per share of Class A Common Stock (in rights per share)							1
Common stock, par value (in dollars per share)					$ 0.01	$ 0.01
Stock split, conversion ratio	2
Number of rights attached to common stock (in rights)	0.50	0.50	1
Beneficial ownership interest of outstanding shares of Common Stock				20.00%
Exercise price of right (in dollars per share)		250
Beneficial ownership percentage, minimum threshold for controlling interest		50.00%
Minimum subsidiary ownership percentage sold or transferred		50.00%
Exchange ratio, number of shares of Common Stock per Right (in shares)					2			0.001
Exercise price of right, percentage of exercise price upon occurrence of agreed upon transactions		200.00%
Stock rights, par value (in dollars per share)		$ 0.01