Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Number of hours required to qualify for 401(k) plan	1000 hours
Percentage of employee contributions	100.00%
Employer matching contribution, percent of employees' gross pay	50.00%
Maximum annual contribution percentage per employee	6.00%
Costs under the Plan	$ 3.7	$ 3.5	$ 3.2
Deferred Salary [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Maximum annual contribution percentage per employee	80.00%
Deferred Bonus [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Maximum annual contribution percentage per employee	100.00%