Employee Benefit Plans (Details)	12 Months Ended
	Jan. 28, 2017
Schedule of Defined Contribution Plans Disclosures [Line Items]
Minimum elective contribution percentage	1.00%
Maximum elective contribution percentage	100.00%
Minimum
Schedule of Defined Contribution Plans Disclosures [Line Items]
Employer matching contributions vesting period	1 year
Maximum
Schedule of Defined Contribution Plans Disclosures [Line Items]
Employer matching contributions vesting period	4 years