BACKGROUND AND BASIS OF PRESENTATION (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Jun. 30, 2012	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2011
BACKGROUND AND BASIS OF PRESENTATION [Abstract]
Income tax expense recorded for certain compensation in fiscal 2008 through 2010 for which a previous tax benefit should not have been recorded		$ 671
Diluted earnings per share effect of income tax expense recorded for certain compensation in fiscal 2008 through 2010 for which a previous tax benefit should not have been recorded		$ 0.03
Adjustment to employer-paid fringe benefits for required contributions to various plans pursuant to the annual incentive cash bonus program (AIP)			1,474
Net of tax effect of adjustment to employer-paid fringe benefits for required contributions to various plans pursuant to the annual incentive cash bonus program (AIP)			1,014
Reversal of a deferred tax asset regarding certain share-based compensation expense			497
Under accrual for annual incentive cash bonus program (AIP)			290
Net of tax effect of under accrual for annual incentive cash bonus program (AIP)			199
Total of adjustments for the period	394			2,381
Diluted per share effect of total adjustments for the period	$ 0.02			$ 0.10
Income tax recorded to correct tax accounting related to Epoch acquisition	172
Increase cumulative translation adjustment related to acquisition of Epoch	2,172
Increase goodwill related to the acquisition of Epoch	1,712
Decrease in deferred tax liabilities related to the acquisition of Epoch	288
Correction of historical remeasurement of certain foreign cash balances	333
Correction of historical remeasurement of certain foreign cash balances, net of tax	$ 222