ALLOWANCE FOR DOUBTFUL ACCOUNTS:

6 Months Ended

Sep. 30, 2014

ALLOWANCE FOR DOUBTFUL ACCOUNTS:

ALLOWANCE FOR DOUBTFUL ACCOUNTS:

9.ALLOWANCE FOR DOUBTFUL ACCOUNTS:

Trade accounts receivable are presented net of allowances for doubtful accounts, returns and credits of $4.9 million at September 30, 2014 and March 31, 2014.