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Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 01, 2015
Aug. 02, 2014
Aug. 01, 2015
Aug. 02, 2014
Income Statement [Abstract]        
Tax benefit of discontinued operation       $ 4,257
Other comprehensive income:        
Amortization of employee benefit related costs net taxation $ 79 $ 38 $ 147 $ 76