SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 segment	Dec. 31, 2011
Information by business segment
Number of operating segments			3
Revenue:
Revenues	$ 273,102	$ 280,893	$ 822,228	$ 843,369
Income (loss) from operations:
Income (loss) from operations	26,898	15,518	82,530	63,273
Marketing and Data Services
Revenue:
Revenues	190,138	187,461	570,286	568,314
Income (loss) from operations:
Income (loss) from operations	17,971	21,388	59,277	65,726
IT Infrastructure Management
Revenue:
Revenues	69,916	77,173	210,267	223,935
Income (loss) from operations:
Income (loss) from operations	9,622	9,795	26,973	19,133
Other services
Revenue:
Revenues	13,048	16,259	41,675	51,120
Income (loss) from operations:
Income (loss) from operations	(821)	(533)	(3,654)	(3,745)
Corporate
Income (loss) from operations:
Income (loss) from operations	$ 126	$ (15,132)	$ (66)	$ (17,841)