GOODWILL: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended									3 Months Ended
	Jun. 30, 2012 Component	Jun. 30, 2012 Marketing and Data Services	Jun. 30, 2012 Marketing and Data Services United States	Jun. 30, 2012 Marketing and Data Services Europe	Jun. 30, 2012 Marketing and Data Services Australia	Jun. 30, 2012 Marketing and Data Services China	Jun. 30, 2012 Marketing and Data Services Brazil	Jun. 30, 2012 IT Infrastructure Management	Mar. 31, 2012 IT Infrastructure Management	Jun. 30, 2012 Other services
Goodwill
Goodwill at the beginning of the period	$ 382,285	$ 306,077	$ 264,500	$ 19,100	$ 14,700	$ 6,000	$ 1,000	$ 71,508	$ 71,508	$ 4,700
Change in foreign currency translation adjustment	(846)	(782)								(64)
Goodwill at the end of the period	$ 381,439	$ 305,295	$ 264,500	$ 19,100	$ 14,700	$ 6,000	$ 1,000	$ 71,508	$ 71,508	$ 4,636
Number of components tested for impairment	8