OPERATING SEGMENTS AND GEOGRAPHIC INFORMATION - Products and Services Information (Details) - CAD ($) $ in Millions	12 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Disclosure of operating segments [line items]
Revenue	$ 2,830.0	$ 2,704.5
Simulation Products [Member]
Disclosure of operating segments [line items]
Revenue	1,281.7	1,208.7
Training and Services [Member]
Disclosure of operating segments [line items]
Revenue	$ 1,548.3	$ 1,495.8

The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants.

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+ Details