Long-Term Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 27, 2019	Oct. 28, 2018	Oct. 27, 2019	Oct. 28, 2018
Debt Disclosure [Abstract]
Contractual interest	$ 2,064	$ 2,224	$ 6,881	$ 6,346
Amortization of debt discount	84	92	258	282
Amortization of debt issuance costs	35	39	108	117
Total interest expense	$ 2,183	$ 2,355	$ 7,247	$ 6,745

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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