Annual report pursuant to Section 13 and 15(d)

Financing Arrangements - Maturities of Long-term Debt (Details)

v3.8.0.1
Financing Arrangements - Maturities of Long-term Debt (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]  
2018 $ 20,106
2019 22,372
2020 25,405
2021 25,044
2022 103,045
Thereafter 464,228
Long-term debt $ 660,200