XML 59 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible Assets, net (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Jan. 26, 2017
Finite-Lived Intangible Assets [Line Items]          
Amortization expense $ 5,800 $ 4,500 $ 17,521 $ 14,400  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]          
Remainder of the year 5,800   5,800    
2019 23,400   23,400    
2020 23,400   23,400    
2021 22,900   22,900    
2022 22,500   22,500    
2023 $ 22,500   $ 22,500    
C.B. Fleet Company, Inc.          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, net         $ 747,600