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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 30, 2017
Jul. 31, 2016
Jul. 30, 2017
Jul. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense related to finite-lived intangible assets $ 6,675 $ 6,328 $ 12,961 $ 12,731