Common Stock (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 29, 2017	Jul. 29, 2017	Jan. 28, 2017	Dec. 08, 2015
Equity, Class of Treasury Stock [Line Items]
Average price per share of shares acquired (in dollars per share)		$ 14.17
Number of shares held in treasury	5,081,843	5,081,843
Value of treasury stock	$ 71,993,000	$ 71,993,000	$ 68,670,000
The 2015 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized amount under share repurchase program				$ 50,000,000.0
Shares acquired as part of share repurchase program	241,770	373,389
Average price per share of shares acquired (in dollars per share)	$ 8.79	$ 8.90
Shares acquired, value	$ 2,100,000	$ 3,300,000
Remaining authorized repurchase amount	$ 18,000,000.0	$ 18,000,000.0