v3.19.2

Contractual Commitments, Contingencies, and Off-Balance Sheet Arrangements - Contractual Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Data center expenses	$ 106.1	$ 107.5	$ 104.8
Facilities and equipment leases	49.0	50.4	50.3
Software license agreements	37.3	33.7	32.0
Software/hardware maintenance agreements	65.0	63.5	63.2
Total expenses	$ 257.4	$ 255.0	$ 250.3

X

- Definition

Software License Expense

+ References

No definition available.

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Balance Type:	debit
Period Type:	duration

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- Definition

Software and Hardware Maintenance Expense

+ References

No definition available.

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Namespace Prefix:	br_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

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- Definition

The aggregate amount of communications, data processing and occupancy expenses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.6)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

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- Definition

The amount of expenses incurred in the period for information technology and data processing products and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.6)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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