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.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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Weighted average interest rate of debt outstanding.

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Fair value of the amount outstanding under the credit facility.

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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.

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LONG-TERM DEBT LONG-TERM DEBT - 2017 CREDIT AGREEMENT - SUMMARY (Details) - USD ($)	Apr. 30, 2020	Jan. 31, 2020	Jun. 29, 2017
2017 Credit Agreement
Debt Instrument
Line of Credit Facility, Maximum Borrowing Capacity			$ 725,000,000.0
2017 Term Loan
Debt Instrument
Long-term Debt, Gross	$ 413,313,000	$ 414,375,000	425,000,000.0
Unamortized Debt Discount			500,000
2017 Revolving Credit Facility
Debt Instrument
Line of Credit Facility, Maximum Borrowing Capacity			$ 300,000,000.0
Long-term Debt, Gross	200,000,000	$ 45,000,000
Line of Credit Facility, Fair Value of Amount Outstanding	$ 200,000,000.0
Debt, Weighted Average Interest Rate	2.33%