XML 101 R78.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Prepaid Expenses and Other Assets - Additional Information (Details) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2018 CAD ($)
Prepaid Expenses And Other Assets [Abstract] |
Other long-term assets | $ 8,340
Deposits on property, plant and equipment | 6,487
Lease payments | $ 1,853

X
- Definition Prepaid expenses and other assets. + References No definition available. + Details
Name: | cgc_PrepaidExpensesAndOtherAssetsAbstract
Namespace Prefix: | cgc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deposit or prepayment made associated with a lease. Amount will be amortized over the lease term. + References No definition available. + Details
Name: | cgc_PrepaidLease
Namespace Prefix: | cgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of long-term deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_LongtermDeposits
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of assets that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_OtherAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant