SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 segment	Sep. 30, 2013
Information by business segment
Number of operating segments			2
Revenue:
Total revenue	$ 260,037	$ 267,777	$ 502,252	$ 524,955
Income (loss) from operations:
Income from operations	3,307	19,227	(1,171)	42,685
Operating segment
Revenue:
Total revenue	260,037	267,777	502,252	524,955
Operating segment | Marketing and Data Services
Revenue:
Total revenue	204,248	200,952	390,931	388,745
Income (loss) from operations:
Income from operations	9,397	16,030	19,669	28,727
Operating segment | IT Infrastructure Management
Revenue:
Total revenue	55,789	66,825	111,321	136,210
Income (loss) from operations:
Income from operations	4,130	11,967	8,869	22,728
Corporate
Income (loss) from operations:
Income from operations	$ (10,220)	$ (8,770)	$ (29,709)	$ (8,770)