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Acquisitions (Details) $ in Thousands, € in Millions |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 03, 2022 USD ($) | Apr. 21, 2022 USD ($) | Feb. 09, 2022 USD ($) | Jul. 08, 2021 USD ($) | May 07, 2021 USD ($) | May 07, 2021 EUR (€) | Feb. 26, 2021 USD ($) | Jul. 31, 2022 USD ($) | Jul. 31, 2021 USD ($) | Jul. 31, 2022 USD ($) | Jul. 31, 2021 USD ($) | Jan. 31, 2022 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  |  |  |  |  |  | $ 61,096 | $ 54,418 | $ 103,988 | $ 90,278 |
Fair value of the contingent considerations |  |  |  |  |  |  |  | 27,579 |  | 27,579 |  | $ 12,990
Acquisition-related costs |  |  |  |  |  |  |  | 923 | $ 391 | 1,648 | $ 908 |
QuestaWeb |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  |  |  |  |  | $ 35,900 |  |  |  |  |
Gross contractual amount of trade receivables acquired |  |  |  |  |  |  | 600 |  |  |  |  |
Fair value of acquired trade receivables |  |  |  |  |  |  | 500 |  |  |  |  |
Estimate of contractual cash flows not expected to be collected |  |  |  |  |  |  | $ 100 |  |  |  |  |
Portrix |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  |  |  | $ 25,200 | € 20.7 |  |  |  |  |  |
Gross contractual amount of trade receivables acquired |  |  |  |  | 700 |  |  |  |  |  |  |
Fair value of acquired trade receivables |  |  |  |  | $ 700 |  |  |  |  |  |  |
GreenMile |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  |  | $ 29,200 |  |  |  |  |  |  |  |
Gross contractual amount of trade receivables acquired |  |  |  | 1,100 |  |  |  |  |  |  |  |
Fair value of acquired trade receivables |  |  |  | 1,000 |  |  |  |  |  |  |  |
Maximum potential performance-based contingent consideration |  |  |  | $ 10,000 |  |  |  |  |  |  |  |
Period for revenue performance targets |  |  |  | 2 years |  |  |  |  |  |  |  |
Fair value of the contingent considerations |  |  |  | $ 3,300 |  |  |  |  |  |  |  |
Estimate of contractual cash flows not expected to be collected |  |  |  | $ 100 |  |  |  |  |  |  |  |
Fiscal 2023 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition-related costs |  |  |  |  |  |  |  | 200 |  | 500 |  |
Amount of revenue recognized |  |  |  |  |  |  |  | 4,900 |  | 6,900 |  |
Amount of net income recognized |  |  |  |  |  |  |  | $ 900 |  | 1,600 |  |
Net CHB, LLC |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  | $ 38,700 |  |  |  |  |  |  | 38,664 |  |
Gross contractual amount of trade receivables acquired |  |  | 100 |  |  |  |  |  |  |  |  |
Fair value of acquired trade receivables |  |  | 100 |  |  |  |  |  |  |  |  |
Maximum potential performance-based contingent consideration |  |  | $ 60,000 |  |  |  |  |  |  |  |  |
Period for revenue performance targets |  |  | 2 years |  |  |  |  |  |  |  |  |
Fair value of the contingent considerations |  |  | $ 13,900 |  |  |  |  |  |  |  |  |
Foxtrot |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired |  | $ 4,200 |  |  |  |  |  |  |  | $ 4,228 |  |
Gross contractual amount of trade receivables acquired |  | 700 |  |  |  |  |  |  |  |  |  |
Fair value of acquired trade receivables |  | $ 700 |  |  |  |  |  |  |  |  |  |
XPS Technology LLC |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash, net of cash acquired | $ 61,100 |  |  |  |  |  |  |  |  |  |  |
Gross contractual amount of trade receivables acquired | 1,500 |  |  |  |  |  |  |  |  |  |  |
Fair value of acquired trade receivables | 1,500 |  |  |  |  |  |  |  |  |  |  |
Maximum potential performance-based contingent consideration | $ 75,000 |  |  |  |  |  |  |  |  |  |  |
Period for revenue performance targets | 2 years |  |  |  |  |  |  |  |  |  |  |
Fair value of the contingent considerations | $ 9,400 |  |  |  |  |  |  |  |  |  |  |

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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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