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Long-Term Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Leases [Abstract]      
Rent expense, operating leases $ 22,622 $ 23,313 $ 21,853
Leases, Operating [Abstract]      
2016 10,582    
2017 8,888    
2018 6,200    
2019 5,443    
2020 3,891    
Remaining 3,608    
Operating Leases, Total $ 38,612