XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Basis of Presentation - Business Combinations (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended
--- | --- | --- | ---
Jan. 31, 2022 | Jun. 17, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |
Net cash paid |  |  | $ 695,968 | $ 57,975
Power Line Systems |  |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |
Net cash paid | $ 695,968 |  |  |
Seequent |  |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |
Net cash paid |  | $ 883,336 |  |
Seequent | Class B Common Stock |  |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |
Number of shares sold (in shares) |  | 3,141,342 |  |

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_BusinessAcquisitionContingentConsiderationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=bsy_PowerLineSystemsAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=bsy_SeequentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |