Annual report pursuant to Section 13 and 15(d)

Debt - Debt Summary (Details)

v3.19.1
Debt - Debt Summary (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Nov. 07, 2018
Mar. 31, 2018
Debt Instrument [Line Items]      
Total debt $ 294,471   $ 324,623
Current maturities (28,430)   (20,540)
Total long-term debt 266,041   304,083
Term Loan Credit Agreement      
Debt Instrument [Line Items]      
Long-term debt 0 $ 323,400 318,782
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net     13,300
Term Loan Facility      
Debt Instrument [Line Items]      
Long-term debt 276,808   0
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net 8,700    
Advanced Payment from Customer      
Debt Instrument [Line Items]      
Long-term debt 11,270   0
Debt Instrument, Unamortized Discount 2,100    
Other, net      
Debt Instrument [Line Items]      
Long-term debt 6,393   5,841
Debt Instrument, Unamortized Discount $ 600   $ 500