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Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	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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Business acquisition earn out payments related to prior period acquisition.

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Percentage of outstanding shares acquisition.

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The number of businesses acquired by the entity during the period.

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