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Financing Arrangements - Contractual Financing Obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Debt Disclosure [Abstract]    
September 30, 2020 $ 29,836  
September 30, 2021 17,535  
September 30, 2022 4,172  
September 30, 2023 4,271  
September 30, 2024 4,138  
Thereafter 15,745  
Long-term debt, gross 75,697 $ 58,022
Less: Unamortized Debt Issuance Costs (317) (369)
Total Debt, net $ 75,380 $ 57,653