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Allowance for Doubtful Accounts (Tables) | 3 Months Ended
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Sep. 30, 2018
Receivables [Abstract] |
Changes in Carrying Amount of Allowance For Doubtful Accounts |
Balance as of June 30, 2018 | $ | 9,741 |
Bad debt expense | 2,999 |
Write-off /adjustments | 230 |
Balance as of September 30, 2018 | $ | 12,970 |

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- Definition Schedule of Accounts Receivable, Allowance for Doubtful Accounts [Table Text Block] + References No definition available. + Details
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Namespace Prefix: | otex_
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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