XML 79 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Intangible Assets - Amortization (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Estimated aggregate amortization expense  
2018 $ 54,128
2019 57,071
2020 54,382
2021 40,959
2022 26,009
Thereafter 93,954
Total $ 326,503