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Line of Credit (Line of Credit) (Details) - Line of Credit - Amended Revolving Credit Facility - USD ($) | Jan. 27, 2021 | Jul. 31, 2021
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Debt Instrument [Line Items] |  |
Revolving credit facility maximum borrowings | $ 225,000,000 |
Line of credit facility, accordion feature, increase limit | $ 150,000,000 |
Debt instrument, interest rate, increase (decrease) | 2.00% |
Minimum availability of aggregate commitments and loan cap required, percent | 12.50% |
Minimum availability of loan cap after stepdown date required, percent | 10.00% |
Period required for availability of loan cap requirement | 60 days |
Maximum allowed to be borrowed based on available cash balance | $ 50,000,000 |
Line of credit facility, current borrowing capacity |  | $ 0
Line of credit facility, remaining borrowing capacity |  | $ 225,000,000
Minimum Availability Of Aggregate Commitments And Loan Cap Required In Event Of Default Or Availability, Percent | 15.00% |
Minimum |  |
Debt Instrument [Line Items] |  |
Commitment fee percentage | 1.25% |
Maximum |  |
Debt Instrument [Line Items] |  |
Commitment fee percentage | 1.75% |
Base Rate | Minimum |  |
Debt Instrument [Line Items] |  |
Interest rate on borrowings (percent) | 0.25% |
Base Rate | Maximum |  |
Debt Instrument [Line Items] |  |
Interest rate on borrowings (percent) | 0.75% |
LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Interest rate on borrowings (percent) | 1.25% |
LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Interest rate on borrowings (percent) | 1.75% |

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- Definition Line Of Credit Facility, Maximum Allowed To Be Borrowed Based On Available Cash Balance + References No definition available. + Details
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- Definition Line of Credit Facility, Accordion Feature, Increase Limit + 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 Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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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