XML 101 R91.htm IDEA: XBRL DOCUMENT
v3.25.3

Segment and Geographic Information - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) segment | Sep. 30, 2024 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Number of reportable segments | segment |  |  | 1 |
Reportable Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Headcount‑related costs | $ 215,892 | $ 196,181 | $ 624,582 | $ 573,757
Segment reporting other segment item amount, net income measure | 102,368 | 96,654 | 266,488 | 244,822
Segment reporting other segment item amount, Adjusted OI w/SBC | 57,433 | 51,054 | 154,558 | 138,706
Headcount adjustment amount, Adjusted OI w/ SBC measure | $ 1,802 | $ 1,586 | $ 4,412 | $ 6,352

X
- Definition Headcount Adjustment Amount Adjusted Operating Income Less Stock-Based Compensation Measure + References No definition available. + Details
Name: | bsy_HeadcountAdjustmentAmountAdjustedOperatingIncomeLessStockBasedCompensationMeasure
Namespace Prefix: | bsy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Headcount-Related Costs + References No definition available. + Details
Name: | bsy_HeadcountRelatedCosts
Namespace Prefix: | bsy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Segment Reporting, Other Segment Item, Amount, Adjusted Operating Income Less Stock Based Compensation + References No definition available. + Details
Name: | bsy_SegmentReportingOtherSegmentItemAmountAdjustedOperatingIncomeLessStockBasedCompensation
Namespace Prefix: | bsy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Segment Reporting, Other Segment Item, Amount, Net Income Measure + References No definition available. + Details
Name: | bsy_SegmentReportingOtherSegmentItemAmountNetIncomeMeasure
Namespace Prefix: | bsy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 47 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-47 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 54 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-54 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bsy_ReportableSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |