Fair Value Measurements - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 28, 2018	Jan. 29, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers of financial assets or liabilities between levels	$ 0	$ 0
Level 2 | Term Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	131,300,000
Level 2 | Revolving Commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	$ 97,000,000