v3.25.4

CONTRACTUAL COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS - Schedule of Software License Agreements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Software License Agreements	$ 43.3	$ 36.0	$ 85.4	$ 70.3

X

- Definition

Software License Expense

+ References

No definition available.

+ Details

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Namespace Prefix:	br_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration