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Long-Term Debt - Narrative (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 07, 2019 USD ($) | Nov. 15, 2016 USD ($) | Jan. 31, 2021 USD ($) | Jan. 26, 2020 USD ($) | Jan. 27, 2019 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |
Borrowings under line of credit |  |  | $ 0 | $ 201,000,000 | $ 0
Write-off of deferred financing cost and debt discount |  |  | 0 | $ 514,000 | $ 0
Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Interest coverage ratio |  | 3.50 |  |  |
Total leverage ratio following a material acquisition |  | 4.00 |  |  |
United States of America, Dollars |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Description of variable rate basis |  | (1) the Base Rate (as defined below) plus a margin ranging from 0.25% to 1.25% depending upon the Company’s consolidated leverage ratio or (2) LIBOR (determined with respect to deposits in U.S. Dollars) for an interest period to be selected by the Company plus a margin ranging from 1.25% to 2.25% depending upon the Company's consolidated leverage ratio (such margin, the "Applicable Margin"). |  |  |
Base Rate |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Description of variable rate basis |  | the highest of (a) the prime rate of the administrative agent, (b) ½ of 1% above the federal funds effective rate published by the Federal Reserve Bank of New York and (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1.00%. |  |  |
Base Rate | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.25% |  |  |  |
Base Rate | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.25% |  |  |  |
Federal Funds | Amended And Restated Credit Agreement Credit Agreement |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.50% |  |  |  |
LIBOR |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |
LIBOR | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.25% |  |  |  |
LIBOR | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 2.25% |  |  |  |
Revolving loans |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Facilities, maximum borrowing capacity | $ 600,000,000.0 |  |  |  |
Initial commitment fee, percentage | 0.20% |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount |  |  | $ 150,000,000.0 |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  | 1.9775% |  |
Debt Instrument, LIBOR Portion Of Fixed Rate |  |  | 0.7275% |  |
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate |  |  | 1.39% | 2.95% |
Outstanding balance |  |  | $ 181,000,000 | $ 197,000,000 |
Undrawn revolving commitments |  |  | $ 419,000,000.0 |  |
Revolving loans | Amended And Restated Credit Agreement Credit Agreement |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Covenant Compliance, Increase In Borrowing Capacity Availability | $ 300,000,000.0 |  |  |  |
Line of Credit Facility, Covenant Compliance, Maximum Consolidated Leverage Ratio | 3.00 |  |  |  |
Revolving loans | Minimum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee, percentage | 0.20% |  |  |  |
Revolving loans | Maximum |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee, percentage | 0.35% |  |  |  |
Revolving loans | LIBOR |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 1.25% |  |
Revolving loans | One Month LIBOR |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 1.25% | 1.25% |
Letter of Credit [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Facilities, maximum borrowing capacity |  | $ 40,000,000.0 |  |  |
Fronting fee for each letter of credit issued, percentage | 0.125% |  |  |  |
Facilities, amount outstanding |  |  | $ 0 |  |
Swingline Loans [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Facilities, maximum borrowing capacity |  | 25,000,000.0 |  |  |
Facilities, amount outstanding |  |  | 0 |  |
Foreign Line of Credit [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Facilities, maximum borrowing capacity |  | $ 40,000,000.0 |  |  |
Revolving Loans and Non US Dollars LC [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Facilities, amount outstanding |  |  | $ 0 |  |

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- Definition Fronting Fee Percentage For Each Letter Of Credit Issued + References No definition available. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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