XML 95 R79.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments and Contingencies (Narrative) (Detail)
T in Millions
 3 Months Ended 7 Months Ended 9 Months Ended 12 Months Ended 36 Months Ended
Aug. 10, 2018
USD ($)
Mar. 31, 2018
USD ($)
Jul. 31, 2018
USD ($)
Jul. 25, 2017
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2016
T
Sep. 30, 2014
USD ($)
Jan. 05, 2017
USD ($)
Dec. 31, 2014
USD ($)
Contingencies And Commitments [Line Items]                  
Estimated clean up costs                 $ 342,000,000
Solid Waste Management Fee Enforcement Order [Member]                  
Contingencies And Commitments [Line Items]                  
Loss contingency amount sought             $ 5,100,000    
Bridge and Thoroughfare Fee [Member]                  
Contingencies And Commitments [Line Items]                  
Loss contingency amount sought   $ 83,000   $ 11,600,000          
Noncompliance fee   $ 750              
Fee paid $ 11,600,000                
Chiquita Canyon, LLC [Member]                  
Contingencies And Commitments [Line Items]                  
Annual tons of waste accepted at landfill | T           3      
Estimate of total new fees and other new taxes over the life of the conditional use permit         $ 300,000,000        
Environmental Remediation Expense [Member]                  
Contingencies And Commitments [Line Items]                  
Estimated period to implement clean-up         seven years        
Required period of monitoring following the clean-up         10 years        
Penalties and Fees [Member] | Solid Waste Management Fee Enforcement Order [Member]                  
Contingencies And Commitments [Line Items]                  
Loss contingency amount sought     $ 5,515,000            
Penalties [Member] | Solid Waste Management Fee Enforcement Order [Member]                  
Contingencies And Commitments [Line Items]                  
Loss contingency amount sought     $ 3,079,000            
Penalties [Member] | Bridge and Thoroughfare Fee [Member]                  
Contingencies And Commitments [Line Items]                  
Fee paid 83,000                
Fees [Member] | Bridge and Thoroughfare Fee [Member]                  
Contingencies And Commitments [Line Items]                  
Fee paid $ 750                
Progressive Waste Solutions Ltd. [Member] | Florida Default Judgment [Member]                  
Contingencies And Commitments [Line Items]                  
Estimated loss from final judgment               $ 10,000,000