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ALLOWANCE FOR DOUBTFUL ACCOUNTS: | 3 Months Ended
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Jun. 30, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
ALLOWANCE FOR DOUBTFUL ACCOUNTS: | ALLOWANCE FOR DOUBTFUL ACCOUNTS: Trade accounts receivable are presented net of allowances for doubtful accounts, returns and credits of $3.4 million at June 30, 2019 and $3.0 million at March 31, 2019.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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