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v3.25.0.1

Accrued Expenses and Other Current Liabilities (Narrative) (Details) | 6 Months Ended
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Jan. 31, 2025
Payables and Accruals [Abstract] |
Minimum coverage period of product warranty from the date of shipment | 1 year

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- Definition Minimum coverage period of product warranty from the date of shipment + References No definition available. + Details
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Namespace Prefix: | cmtl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration