Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ 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=109500613&loc=SL6036836-161870

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&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=6877327&loc=d3e13212-122682

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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LONG-TERM DEBT LONG-TERM DEBT - 2017 CREDIT AGREEMENT - INTEREST RATE DETAILS (Details)	6 Months Ended
	Jul. 31, 2019	Jan. 31, 2019
2017 Term Loan
Debt Instrument
Interest rate at end of period (as a percent)	4.40%	4.52%
Effective interest rate (as a percent)	4.58%
Variable Rate Based on Eurodollar Rate \| 2017 Credit Agreement \| Eurodollar loans
Debt Instrument
Variable rate basis	Eurodollar Rate
Variable Rate Based on Eurodollar Rate \| 2017 Term Loan \| Eurodollar loans
Debt Instrument
Interest rate margin (as a percent)	2.25%
Variable Rate Based on Eurodollar Rate \| 2017 Term Loan - Following January 2018 Amendment \| Eurodollar loans
Debt Instrument
Interest rate margin (as a percent)	2.00%
Variable Rate Based on ABR Rate \| 2017 Credit Agreement \| ABR Rate Loans
Debt Instrument
Variable rate basis	ABR rate
Variable Rate Based on ABR Rate \| 2017 Term Loan \| ABR Rate Loans
Debt Instrument
Interest rate margin (as a percent)	1.25%
Variable Rate Based on ABR Rate \| 2017 Term Loan - Following January 2018 Amendment \| ABR Rate Loans
Debt Instrument
Interest rate margin (as a percent)	1.00%