Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Legal Proceedings (Details)

v3.19.2
Commitments and Contingencies - Legal Proceedings (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 52 Months Ended
Apr. 30, 2019
Feb. 28, 2019
Jun. 30, 2019
Jun. 30, 2018
Sep. 30, 2017
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2015
Apr. 30, 2019
Loss Contingencies [Line Items]                  
Impact on earnings     $ 319,505 $ 333,371   $ 683,486 $ 634,419    
Maurepas Project Dispute | Maximum                  
Loss Contingencies [Line Items]                  
Reasonably possible amount of loss     22,000     22,000      
Lorenzo Benton v Telecom Network Specialists Inc | Maximum                  
Loss Contingencies [Line Items]                  
Reasonably possible amount of loss     9,100     9,100      
Damages awarded   $ 7,500              
Disputed Contract Termination                  
Loss Contingencies [Line Items]                  
Charge to earnings related to legal proceedings     79,200            
Net receivable position on projects     120,000     120,000      
Disputed Contract Termination | Correction of Estimated Project Costs and Percentage-of-Completion Method | Adjustment                  
Loss Contingencies [Line Items]                  
Impact on earnings     (14,500)     $ (9,600)      
Redes | Telecommunication Networks Construction and Operation                  
Loss Contingencies [Line Items]                  
Term of post-construction operation and maintenance period               10 years  
Redes | Disputed Contract Termination                  
Loss Contingencies [Line Items]                  
Advance payments received               $ 87,000  
On-demand performance bonds               25,000  
Construction costs incurred                 $ 157,000
Payments received on construction contracts                 $ 100,000
Redes | Disputed Contract Termination | Telecommunication Networks Construction and Operation                  
Loss Contingencies [Line Items]                  
Aggregate consideration for projects               248,000  
Aggregate consideration to be paid during the construction period               151,000  
Aggregate consideration to be paid during the post-construction operation and maintenance period               $ 97,000  
PRONATEL | Disputed Contract Termination                  
Loss Contingencies [Line Items]                  
Damages sought $ 45,000                
Bond proceeds received $ 112,000                
Amount collected through exercise of advance payment bonds     $ 87,000            
QPS                  
Loss Contingencies [Line Items]                  
Damages sought         $ 22,000