v2.4.0.6

Property, Plant And Equipment, Net (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense for Property, plant and equipment	$ 36.3	$ 36.1	$ 32.3

X

- Definition

Depreciation And Amortization Of Property

+ References

No definition available.

+ Details

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

X

- Details

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