XML 64 R49.htm IDEA: XBRL DOCUMENT v3.3.0.814
Divestiture Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended 12 Months Ended
May. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Apr. 30, 2013
Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on divestiture   $ (5,611) $ 7,455    
Other accrued liabilities   16,884     $ 16,667
Proceeds from sale of assets   5,335      
Western Region [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Consideration received from sale of assets $ 872        
Gain on divestiture   (677)      
Western Region [Member] | Cares [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Impairment charge     $ 7,455    
Casella-Altela Regional Environmental Services, LLC [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on divestiture   $ (2,850)      
Membership interest   51.00%      
Proceeds from sale of assets   $ 3,500      
Casella-Altela Regional Environmental Services, LLC [Member] | Altela, Inc. [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Membership interest   49.00%      
Casella-Altela Regional Environmental Services, LLC [Member] | Discontinued Operations, Disposed of by Sale [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on divestiture   $ (928)      
Proceeds from sale of assets   1,050      
Maine Energy Facility [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on divestiture   (1,157)      
Undiscounted purchase consideration       $ 6,650  
Undiscounted purchase consideration paid in installments       21 years  
Other accrued liabilities   $ 87