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Long-Term Debt (Narrative) (Details) - Credit Facility [Member] - USD ($) $ in Millions |  |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Sep. 21, 2020 | Sep. 03, 2020 | Sep. 02, 2020 | Nov. 28, 2020
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  | $ 120.0
Increase in interest rate spread |  | 0.25% |  |
Credit facility, commitment fee |  | 0.25% |  |
Repayment of credit facility | $ 20.0 |  |  |
Credit facility, expiration date |  |  |  | Oct. 17, 2022
Credit facility, remaining borrowing capacity |  |  |  | $ 50.7
Credit facility, outstanding balance |  |  |  | $ 68.0
Federal Funds Rate [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  |  |  | 0.50%
Eurodollar Rate [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  |  |  | 1.00%
Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity |  | $ 120.0 | $ 90.0 |
Credit facility, increase (decrease) in borrowing capacity |  | $ 30.0 |  |
Letter of Credit [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity |  |  | 5.0 |
Credit facility, outstanding balance |  |  |  | $ 1.3
Reducing Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity |  |  | $ 30.0 |
Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, commitment fee |  |  | 0.15% |
Credit facility, effective interest rate |  |  |  | 2.00%
Minimum [Member] | LIBOR [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  | 0.25% | 0.00% | 1.25%
Minimum [Member] | Base Rate [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  |  |  | 0.25%
Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, commitment fee |  |  | 0.25% |
Credit facility, effective interest rate |  |  |  | 2.23%
Maximum [Member] | LIBOR [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  |  |  | 1.50%
Maximum [Member] | Base Rate [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest spread on variable rate |  |  |  | 0.50%

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- Definition Line Of Credit Facility Increase Decrease In Maximum Borrowing Capacity + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + 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 The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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 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 cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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