Fair Value (Assets and Liabilities at Fair Value) (Details) - USD ($)	May 04, 2019	Feb. 02, 2019
Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents (1)	$ 49,809,000	$ 89,998,000
Restricted cash equivalents (4)	2,508,000	2,162,000
Restricted Investments, Noncurrent	106,671,000	105,882,000
Restricted Cash Equivalents, Noncurrent	14,685,000	15,498,000
Total assets	173,673,000	213,540,000
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments (2)	316,000	332,000
Total liabilities	316,000	332,000
Level 1 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents (1)	10,149,000	55,558,000
Restricted cash equivalents (4)	0	0
Restricted Investments, Noncurrent	3,000	5,000
Restricted Cash Equivalents, Noncurrent	10,114,000	10,910,000
Total assets	20,266,000	66,473,000
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments (2)	0	0
Total liabilities	0	0
Level 2 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents (1)	39,660,000	34,440,000
Restricted cash equivalents (4)	2,508,000	2,162,000
Restricted Investments, Noncurrent	106,668,000	105,877,000
Restricted Cash Equivalents, Noncurrent	4,571,000	4,588,000
Total assets	153,407,000	147,067,000
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments (2)	316,000	332,000
Total liabilities	316,000	332,000
Level 3 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents (1)	0	0
Restricted cash equivalents (4)	0	0
Restricted Investments, Noncurrent	0	0
Restricted Cash Equivalents, Noncurrent	0	0
Total assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments (2)	0	0
Total liabilities	0	0
Term Loan Facility
Liabilities, Fair Value Disclosure [Abstract]
Gross borrowings outstanding, carrying amount	253,250,000	253,250,000
Gross borrowings outstanding, fair value	253,250,000	252,933,000
ABL Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Credit facility, amount outstanding	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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This element represents the noncurrent portion of investments which are not defined as or included in marketable (debt, equity, or other) securities that are pledged or subject to withdrawal restrictions.

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