Employee Retirement Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 28, 2012 Y	Jan. 29, 2011	Jan. 30, 2010	May 02, 2009
Maximum Participant Contribution Rate for Employer Match Prior to Suspension of Match				6.00%
Total retirement benefit plans expenses/(income)	$ 341	$ (102)	$ 750
Service Period Required to Become Fully Vested in Employer's Matching Contribution (years)	5
Accrued benefit liabilities for non-qualified plans	8,911	10,950
Non Qualified Deferred Compensation Plan [Member]
Accrued benefit liabilities for non-qualified plans	8,911	10,279
Non Qualified Supplemental Retirement Plan [Member]
Accrued benefit liabilities for non-qualified plans	0	671
Employee 401(k) Plan [Member]
Maximum Employee Contribution Rate	80.00%
Employer's Matching Contribution Rate	50.00%
Beginning of Employer Match Suspension Date				April 2009
Reinstatement of Employer Match Date	January 2012
Maximum Participant Contribution Rate for Employer Match	2.00%
Total retirement benefit plans expenses/(income)	88	0	145
Non Qualified Deferred Compensation Plan [Member]
Employer's Matching Contribution Rate	50.00%
Beginning of Employer Match Suspension Date				April 2009
Total retirement benefit plans expenses/(income)	253	(138)	248
Maximum Employee Deferred Compensation Contribution Rate	77.00%
Maximum Employee Deferred Compensation Bonus Contribution Rate	90.00%
Non Qualified Supplemental Retirement Plan [Member]
Total retirement benefit plans expenses/(income)	$ 0	$ 36	$ 357
Interest Rate Credited to Participants' Supplemental Retirement Plan Accounts	3.50%