GOODWILL: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Marketing and Data Services [Member]	Jun. 30, 2014 Marketing and Data Services [Member] UNITED STATES	Jun. 30, 2014 Marketing and Data Services [Member] AUSTRALIA	Jun. 30, 2014 Marketing and Data Services [Member] CHINA	Jun. 30, 2014 Marketing and Data Services [Member] BRAZIL	Jun. 30, 2014 IT Infrastructure Management [Member]	Mar. 31, 2014 IT Infrastructure Management [Member]
Goodwill
Goodwill at the beginning of the period	$ 358,384	$ 286,876	$ 266,700	$ 13,600	$ 6,000	$ 900	$ 71,508	$ 71,508
Change in foreign currency translation adjustment	287	287
Goodwill at the end of the period	$ 358,671	$ 287,163	$ 266,700	$ 13,600	$ 6,000	$ 900	$ 71,508	$ 71,508