v2.4.0.6

Contractual Commitments, Contingencies, And Off-Balance Sheet Arrangements (Schedule Of Minimum Commitments Related To Technology Service Agreement) (Detail) (USD $) In Millions, unless otherwise specified | Jun. 30, 2012
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Contingencies And Commitments [Line Items] |
2013 | $ 109.8
2014 | 88.1
2015 | 78.7
2016 | 76.0
2017 | 72.6
Thereafter | 273.6
Total | $ 698.8

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Minimum Commitment After Fifth Year + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Minimum Commitment Total + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Minimum Commitment Year Five + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Minimum Commitment Year Four + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Minimum Commitment Year One + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Minimum Commitment Year Three + References No definition available. + Details
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Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Minimum Commitment Year Two + References No definition available. + Details
Name: | br_MinimumCommitmentYearTwo
Namespace Prefix: | br_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant