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Debt - Additional Information (Details) - USD ($) $ in Millions |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Nov. 27, 2017 | Oct. 31, 2019 | Oct. 31, 2019
Interest Rate Swap |  |  |
Debt Instrument [Line Items] |  |  |
Derivative, effective date |  |  | Sep. 05, 2019
Derivative, maturity period |  |  | 5 years
November 2017 Facility | Secured Debt | Wells Fargo Bank |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility maturity date | Nov. 27, 2020 | Jul. 12, 2022 |
Line of credit facility, finance leases and debt covenant limit | $ 100.0 | $ 200.0 | $ 200.0
Line of credit facility, current borrowing capacity |  | 40.0 | 40.0
November 2017 Facility | Revolving Credit Facility | Secured Debt | Wells Fargo Bank |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity | 85.0 | 100.0 | $ 100.0
Line of credit facility, interest payment terms |  |  | Interest on the revolving loans is payable quarterly in arrears with respect to loans based on the prime rate and at the end of an interest period in the case of loans based on the LIBOR rate (or at each three-month interval if the interest period is longer than three months).
November 2017 Facility | Revolving Credit Facility | Secured Debt | Wells Fargo Bank | Prime Rate |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, floating interest rate |  |  | 0.25%
November 2017 Facility | Revolving Credit Facility | Secured Debt | Wells Fargo Bank | London Interbank Offered Rate (LIBOR) |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, floating interest rate |  |  | 1.00%
November 2017 Facility | Letters of Credit | Secured Debt | Wells Fargo Bank |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity sublimit | $ 30.0 | $ 45.0 | $ 45.0

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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