XML 109 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1
Basis of Preparation and Significant Accounting Policies (Details)
 12 Months Ended
Dec. 31, 2017
Buildings  
Disclosure of detailed information about intangible assets [line items]  
Useful life of property, plant and equipment 25 years
Bottom of range | Machinery and equipment  
Disclosure of detailed information about intangible assets [line items]  
Useful life of property, plant and equipment 3 years
Bottom of range | Intellectual property  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 3 years
Bottom of range | Other intangible assets  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 4 years
Bottom of range | Computer software assets  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 1 year
Top of range | Building/leasehold improvements  
Disclosure of detailed information about intangible assets [line items]  
Useful life of property, plant and equipment 25 years
Top of range | Machinery and equipment  
Disclosure of detailed information about intangible assets [line items]  
Useful life of property, plant and equipment 10 years
Top of range | Intellectual property  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 5 years
Top of range | Other intangible assets  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 10 years
Top of range | Computer software assets  
Disclosure of detailed information about intangible assets [line items]  
Useful life of intangible assets 10 years
Options  
Disclosure of detailed information about intangible assets [line items]  
Vesting period 4 years
RSUs  
Disclosure of detailed information about intangible assets [line items]  
Vesting period 3 years
PSUs  
Disclosure of detailed information about intangible assets [line items]  
Vesting period 3 years
Percentage of awards granted recorded based on market value of subordinate voting shares 40.00%
Award requisite service period 3 years
Percentage of awards granted recorded using Monte Carlo simulation model 60.00%
DSUs | Bottom of range  
Disclosure of detailed information about intangible assets [line items]  
Percentage of annual fees paid to Board of Directors paid in form of awards 75.00%
DSUs | Top of range  
Disclosure of detailed information about intangible assets [line items]  
Percentage of annual fees paid to Board of Directors paid in form of awards 100.00%
25% vested in year 1 | Options  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 25.00%
25% vested in year 2 | Options  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 25.00%
25% vested in year 3 | Options  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 25.00%
25% vested in year 4 | Options  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 25.00%
33.33% vested in year 1 | RSUs  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 33.00%
33.33% vested in year 2 | RSUs  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 33.00%
33.33% vested in year 3 | RSUs  
Disclosure of detailed information about intangible assets [line items]  
Vesting percentage 33.00%