Intangible Assets and Goodwill - Key Assumptions Used in Impairment Testing (Details)
$ in Thousands

Jun. 30, 2020

CAD ($)

Dec. 31, 2019

CAD ($)

Jun. 30, 2019

CAD ($)

Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 3,712,967

Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

12,386

European Hemp CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

11,572

Analytical Testing CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 8,064

Terminal growth rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Terminal growth rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Terminal growth rate | European Hemp CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Terminal growth rate | Analytical Testing CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Discount rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.115

Discount rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.318

Discount rate | European Hemp CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.150

Discount rate | Analytical Testing CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.140

Revenue growth rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.506

Revenue growth rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Revenue growth rate | European Hemp CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.135

Revenue growth rate | Analytical Testing CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.125

Intangible assets other than goodwill | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 1,956,844

$ 4,287,265

Intangible assets other than goodwill | European Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 113,703

50,707

Intangible assets other than goodwill | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 299,012

Intangible assets other than goodwill | Terminal growth rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Intangible assets other than goodwill | Terminal growth rate | European Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Intangible assets other than goodwill | Terminal growth rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.019

Intangible assets other than goodwill | Discount rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.161

0.115

Intangible assets other than goodwill | Discount rate | European Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.160

0.185

Intangible assets other than goodwill | Discount rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.284

Intangible assets other than goodwill | Revenue growth rate | Canadian Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.449

0.695

Intangible assets other than goodwill | Revenue growth rate | European Cannabis CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.750

0.887

Intangible assets other than goodwill | Revenue growth rate | Latin American CGU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.605

Goodwill | U.S. CBD GCU

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 54,367

Goodwill | Terminal growth rate | U.S. CBD GCU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Goodwill | Discount rate | U.S. CBD GCU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.203

Goodwill | Revenue growth rate | U.S. CBD GCU

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

2.124

Goodwill | Cannabis

Disclosure of detailed information about intangible assets [line items]

Fair Value Less Cost to Dispose

$ 2,188,056

$ 6,037,423

Goodwill | Cannabis | Terminal growth rate

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.030

Goodwill | Cannabis | Discount rate

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.161

0.135

Goodwill | Cannabis | Revenue growth rate

Disclosure of detailed information about intangible assets [line items]

Significant unobservable input, assets

0.454

0.786