GOODWILL: (Details) $ in Thousands	3 Months Ended
Jun. 30, 2015 USD ($)
Goodwill
Goodwill at the beginning of the period	$ 497,362
Change in foreign currency translation adjustment	94
Goodwill at the end of the period	497,456
Marketing services and audience solutions
Goodwill
Goodwill at the beginning of the period	402,645
Change in foreign currency translation adjustment	77
Goodwill at the end of the period	402,722
Marketing services and audience solutions \| United States
Goodwill
Goodwill at the end of the period	388,600
Marketing services and audience solutions \| Asia/Pacific
Goodwill
Goodwill at the end of the period	13,500
Marketing services and audience solutions \| Brazil
Goodwill
Goodwill at the end of the period	600
Connectivity
Goodwill
Goodwill at the beginning of the period	94,717
Change in foreign currency translation adjustment	17
Goodwill at the end of the period	94,734
Connectivity \| United States
Goodwill
Goodwill at the end of the period	91,100
Connectivity \| Asia/Pacific
Goodwill
Goodwill at the end of the period	3,600
ITO
Goodwill
Goodwill at the end of the period	$ 71,500

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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