Annual report pursuant to Section 13 and 15(d)

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

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Financing Arrangements - Maturities of Long-term Debt (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]  
2017 $ 3,638
2018 3,485
2019 3,326
2020 58,552
2021 253,300
Thereafter 174,978
Long-term debt $ 497,279