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Accounts Receivable (Notes)
3 Months Ended
Jun. 30, 2015
Accounts Receivable, Net [Abstract]  
Accounts Receivable
Accounts Receivable
 
Accounts receivable consists of the following (amounts in thousands):
 
June 30, 2015
 
March 31, 2015
Trade accounts receivable
$
276,087

 
$
269,844

Other
3,535

 
6,714

 
279,622

 
276,558

Less allowance for doubtful accounts
2,589

 
2,621

 
$
277,033

 
$
273,937