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v3.19.1

Debt - Schedule of Long Term Debt in the Accompanying Condensed Consolidated Balance Sheets (Parenthetical) (Detail) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2019 | Jan. 31, 2018
Term Loan Due November 30, 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Debt instrument, description of variable rate basis | (4.02% and 2.85% as of January 31, 2019 and 2018, respectively); maturity date November 30, 2022 |
Interest rate | 4.02% | 2.85%
Debt instrument, maturity date | Nov. 30, 2022 |
Term Loan Due January 31, 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Debt instrument, description of variable rate basis | (4.02% and 3.06% as of January 31, 2019 and 2018, respectively); maturity date of January 31, 2022 |
Interest rate | 4.02% | 3.06%
Debt instrument, maturity date | Jan. 31, 2022 |

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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 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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- 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=99377789&loc=d3e19207-110258 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. + 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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- Details
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