SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended								12 Months Ended
	Apr. 30, 2011 Segment	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2012 Segment	Mar. 31, 2011	Mar. 31, 2010
Information by business segment
Number of operating segments	2									3
Revenue:
Revenues		$ 287,255	$ 280,893	$ 286,432	$ 276,044	$ 287,226	$ 287,905	$ 279,445	$ 259,179	$ 1,130,624	$ 1,113,755	$ 1,063,598
Income (loss) from operations:
Income (loss) from operations		22,290	15,518	27,051	20,704	(54,301)	33,842	24,998	20,638	85,563	25,177	97,542
Depreciation and amortization:
Depreciation and amortization										134,662	146,355	167,564
Total assets:
Total assets		1,226,851				1,306,625				1,226,851	1,306,625
Marketing and Data Services
Revenue:
Revenues										771,721	736,105	721,211
Income (loss) from operations:
Income (loss) from operations										96,095	87,254	79,004
Depreciation and amortization:
Depreciation and amortization										61,443	69,428	80,777
Total assets:
Total assets		659,103				711,582				659,103	711,582
IT Infrastructure Management
Revenue:
Revenues										291,525	302,630	276,366
Income (loss) from operations:
Income (loss) from operations										24,988	24,467	22,293
Depreciation and amortization:
Depreciation and amortization										66,497	67,876	70,442
Total assets:
Total assets		326,673				352,337				326,673	352,337
Other services
Revenue:
Revenues										67,378	75,020	66,021
Income (loss) from operations:
Income (loss) from operations										(5,079)	(2,270)	(4,699)
Depreciation and amortization:
Depreciation and amortization										6,722	9,051	16,345
Total assets:
Total assets		20,293				46,516				20,293	46,516
Corporate
Income (loss) from operations:
Income (loss) from operations										(30,441)	(84,274)	944
Total assets:
Total assets		$ 220,782				$ 196,190				$ 220,782	$ 196,190