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DISCONTINUED OPERATIONS: - U.K. Call Center Operation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2016
Mar. 31, 2015
Summary results of operations            
Earnings (loss) from discontinued operations, net of tax $ 111 $ (971) $ 12,068 $ 4,143 $ 15,351 $ 15,511
Discontinued Operation, Tax Effect of Discontinued Operation         3,598 11,973
U.K. call center operation, 2 Touch | Discontinued operations, held-for-sale or disposed of by sale            
Summary results of operations            
Revenues           8,484
Earnings (loss) from discontinued operations before income taxes         (450) 4
Loss on sale of discontinued operations before income taxes           (1,888)
Earnings (loss) from discontinued operations, net of tax         $ (450) $ (1,884)