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OPERATING SEGMENTS AND GEOGRAPHIC INFORMATION (Details) | 12 Months Ended
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Mar. 31, 2018 business_segments
Disclosure of operating segments [abstract] |
Number of operating segments | 3

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- Definition Number of Operating Segments1 + References No definition available. + Details
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Namespace Prefix: | cae_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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