XML 402 R135.htm IDEA: XBRL DOCUMENT v3.20.1
IMPAIRMENT OF NONFINANCIAL ASSETS - Narrative (Details)
ventilator in Thousands
3 Months Ended 12 Months Ended
Apr. 10, 2020
ventilator
Mar. 31, 2020
Mar. 31, 2020
CAD ($)
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, intangible assets and goodwill     $ 40,700,000
Civil Aviation Training Solutions, Defense and Security and Healthcare      
Disclosure of reconciliation of changes in goodwill [line items]      
Growth rate used to extrapolate cash flow projections, period   5 years  
Civil Aviation Training Solutions, Defense and Security and Healthcare | Bottom of range      
Disclosure of reconciliation of changes in goodwill [line items]      
Growth rate used to extrapolate cash flow projections   2.00% 2.00%
Discount rate applied to cash flow projections   7.00% 7.00%
Civil Aviation Training Solutions, Defense and Security and Healthcare | Top of range      
Disclosure of reconciliation of changes in goodwill [line items]      
Growth rate used to extrapolate cash flow projections   3.00% 3.00%
Discount rate applied to cash flow projections   15.00% 15.00%
Goodwill      
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, intangible assets and goodwill     $ 37,500,000
Goodwill | Bottom of range      
Disclosure of reconciliation of changes in goodwill [line items]      
Growth rate used to extrapolate cash flow projections   2.00% 2.00%
Goodwill | Top of range      
Disclosure of reconciliation of changes in goodwill [line items]      
Growth rate used to extrapolate cash flow projections   3.00% 3.00%
Goodwill | Healthcare      
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, intangible assets and goodwill     $ 37,500,000
Additional impairment charge from increase of one percent to the discount rate     17,000,000
Additional impairment charge from decrease of one percent to the growth rate     10,000,000
Goodwill | Civil Aviation Training Solutions And Defense And Security      
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, intangible assets and goodwill     $ 0
Contract With Government Of Canada For CAE Air1 Ventilators | Goodwill | Healthcare      
Disclosure of reconciliation of changes in goodwill [line items]      
Number of ventilators designed and manufactured | ventilator 10