XML 14 R46.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 01, 2015
Aug. 02, 2014
Aug. 01, 2015
Aug. 02, 2014
Fair Value Disclosures [Abstract]        
Impairment charges $ 61 $ 880 $ 602 $ 1,663