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Goodwill (Tables)
6 Months Ended
Dec. 31, 2012
Goodwill [Abstract]  
Summary Of Changes In Carrying Amount Of Goodwill
Goodwill is recorded when the consideration paid for an acquisition of a business exceeds the fair value of identifiable net tangible and intangible assets. The following table summarizes the changes in goodwill since June 30, 2012:
Balance as of June 30, 2012
$
1,040,234

Acquisition of EasyLink (note 17)
172,222

Adjustments on account of foreign exchange
201

Balance as of December 31, 2012
$
1,212,657