DIVESTITURES: (Details) (USD $)	3 Months Ended								12 Months Ended			3 Months Ended		1 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended	1 Months Ended		12 Months Ended			1 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended
	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	Mar. 31, 2011	Mar. 31, 2010	Sep. 30, 2011 Gains, losses and other items, net	Mar. 31, 2011 Gains, losses and other items, net	Jul. 31, 2011 MENA subsidiary Y	Mar. 31, 2012 MENA subsidiary	Mar. 31, 2011 MENA subsidiary	Mar. 31, 2012 MENA subsidiary Gains, losses and other items, net	Sep. 30, 2011 MENA subsidiary Net loss attributable to noncontrolling interest	Mar. 31, 2012 MENA subsidiary Net loss attributable to noncontrolling interest	Feb. 29, 2012 Portugal operations	Feb. 28, 2011 Portugal operations	Mar. 31, 2011 Portugal operations	Mar. 31, 2012 Portugal operations Gains, losses and other items, net	Mar. 31, 2011 Portugal operations Gains, losses and other items, net	Mar. 31, 2011 Netherlands operations	Mar. 31, 2011 Netherlands operations	Mar. 31, 2012 Netherlands operations Gains, losses and other items, net	Mar. 31, 2011 Netherlands operations Gains, losses and other items, net	Feb. 29, 2012 AISS business unit	Mar. 31, 2012 AISS business unit	Mar. 31, 2011 AISS business unit	Mar. 31, 2010 AISS business unit	Dec. 31, 2011 AISS business unit
DIVESTITURES
Cash payment to MENA under the terms of disposal														$ 1,000,000
Cash payment to acquirer																					900,000				200,000
Maximum period of continued involvement primarily related to providing transaction support (in years)														2
Loss on disposal of subsidiary															3,400,000		2,505,000	900,000	900,000
Loss on disposal												2,500,000								800,000			(7,000)	828,000	2,500,000		30,000	2,511,000
Elimination of accumulated deficit attributable to subsidiary as a result of deconsolidation														900,000
Accrual for exit activities included in loss on disposal													5,500,000												1,100,000
Sale of discontinued business unit																													74,000,000
Revenue associated with discontinued operations																5,700,000						700,000				3,500,000				42,819,000	46,215,000	35,637,000
Earnings from discontinued operations
Earnings from discontinued operations before income taxes																														4,907,000	5,747,000	1,271,000
Gain on sale of discontinued operations before income taxes																														48,380,000
Income taxes									(19,388,000)	(2,351,000)	(539,000)																			(19,388,000)	(2,351,000)	(539,000)
Income from discontinued operations, net of tax	31,031,000	814,000	1,138,000	916,000	705,000	441,000	1,387,000	863,000	33,899,000	3,396,000	732,000																			33,899,000	3,396,000	732,000
Carrying amounts of the major classes of assets and liabilities
Cash and cash equivalents																														0	50,000
Trade accounts receivable, net																														0	5,402,000
Other current assets																														0	23,000
Property and equipment, net																														0	637,000
Software, net of accumulated amortization																														0	382,000
Goodwill																															19,665,000		19,700,000
Purchased software licenses, net of accumulated amortization																														0	111,000
Other assets, net																														0	231,000
Assets from discontinued operations					26,501,000					26,501,000																				0	26,501,000
Trade accounts payable and accrued expenses																														0	2,441,000
Liabilities from discontinued operations					$ 2,441,000					$ 2,441,000																				$ 0	$ 2,441,000