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Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Dec. 31, 2012 Acquisition
Acquisitions [Line Items] |
Percentage of outstanding equity interests of ITBE | 100.00%
Number of online publishing businesses acquired | 11
Earn-out payments related to a prior period acquisition | $ 4.6

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- Definition Percentage of outstanding shares acquisition. + References No definition available. + Details
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