Annual report pursuant to Section 13 and 15(d)

CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS - Estimated Amortization Expense (Details)

v3.8.0.1
CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS - Estimated Amortization Expense (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Estimated amortization expense for the existing carrying amount of customer contracts and other intangible assets  
2018 $ 27,029
2019 24,052
2020 21,872
2021 20,431
2022 $ 18,925