SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013 segment	Jun. 30, 2012
Information by business segment
Number of operating segments	3
Revenue:
Revenues	$ 266,193	$ 271,659
Income (loss) from operations:
Income (loss) from operations	24,072	25,424
Marketing and Data Services
Revenue:
Revenues	187,793	192,482
Income (loss) from operations:
Income (loss) from operations	12,657	18,703
IT Infrastructure Management
Revenue:
Revenues	69,385	70,290
Income (loss) from operations:
Income (loss) from operations	10,761	8,831
Other services
Revenue:
Revenues	9,015	8,887
Income (loss) from operations:
Income (loss) from operations	654	(1,950)
Corporate
Income (loss) from operations:
Income (loss) from operations		$ (160)