XML 108 R65.htm IDEA: XBRL DOCUMENT
v3.8.0.1

CAPITAL RISK MANAGEMENT (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2018
Capital Risk Management [Abstract] |
Disclosure of detailed information about capital risk management | The level of debt versus equity in the capital structure is monitored, and the ratios are as follows:
|  | 2018 |  |  | 2017 |
Total debt (Note 12) |  | $ | 1,260.9 |  |  | $ | 1,255.4 |
Less: cash and cash equivalents |  | (611.5 | ) |  | (504.7 | )
Net debt |  | $ | 649.4 |  |  | $ | 750.7 |
Equity |  | 2,366.6 |  |  | 2,081.0 |
Total net debt plus equity |  | $ | 3,016.0 |  |  | $ | 2,831.7 |
Net debt: equity |  | 22:78 |  |  | 27:73 |

X
- Definition Capital Risk Management [Abstract] + References No definition available. + Details
Name: | cae_CapitalRiskManagementAbstract
Namespace Prefix: | cae_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of Detailed Information About Capital Risk Management [Table Text Block] + References No definition available. + Details
Name: | cae_DisclosureofDetailedInformationAboutCapitalRiskManagementTableTextBlock
Namespace Prefix: | cae_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration