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Debt - Additional Information (Details) - November 2017 Facility - Secured Debt - Wells Fargo Bank - USD ($) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Jul. 12, 2019 | Nov. 27, 2017 | Apr. 30, 2020
Debt Instrument [Line Items] |  |  |
Line of credit facility maturity date | Jul. 12, 2022 | Nov. 27, 2020 |
Line of credit facility, finance leases and debt covenant limit | $ 200.0 | $ 100.0 |
Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, termination date |  | Nov. 27, 2017 |
Line of credit facility, maximum borrowing capacity | 100.0 | $ 85.0 |
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).
Line of credit facility additional amount drawn |  |  | $ 30.0
Total debt outstanding with carrying amount |  |  | $ 70.0
Revolving Credit Facility | Prime Rate |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, floating interest rate |  |  | 0.25%
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, floating interest rate |  |  | 1.00%
Letters of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity sublimit | $ 45.0 | $ 30.0 |

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