XML 48 R36.htm IDEA: XBRL DOCUMENT v2.4.1.9
DISCONTINUED OPERATIONS - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2015
Assets Sale Price On Divestiture Of Businesses   $ 2,000,000dv_AssetsSalePriceOnDivestitureOfBusinesses
Adjustment Of Income Loss From Discontinued Operations Related to Impairment of Charge 5,000,000dv_AdjustmentOfIncomeLossFromDiscontinuedOperationsRelatedToImpairmentOfCharge  
Disposal Group, Including Discontinued Operation, Operating Income (Loss) $ (904,000)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss $ 1,011,000us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss