Annual report pursuant to Section 13 and 15(d)

Other Commitments and Contingencies (Details)

v3.6.0.2
Other Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Other Commitments and Contingencies      
Performance bonds $ 22,312 $ 19,475  
Licensing, insurance, and other bonds 13,480 9,976  
Total 35,792 29,451  
Rent Expense 51,505 $ 46,431 $ 39,387
Future minimum lease payments      
2017 37,404    
2018 28,329    
2019 19,133    
2020 9,634    
2021 3,545    
2022 and Thereafter $ 7,384