Name:	apha_ConvertibleDebenturesConversionBasis
Namespace Prefix:	apha_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the conversion basis percentage, that the last reported sales price of the common shares for at least 20 trading days during a period of 30 consecutive trading days immediately preceding fiscal quarter is greater than or equal to the conversion price on each applicable trading day.

No definition available.

Name:	apha_ConvertibleDebenturesConversionBasisPercentageOfIncreaseOrEqualToConversionPrice
Namespace Prefix:	apha_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the conversion basis percentage, of the product of the last reported sale price of the Company's common shares and the conversion rate on each such trading day.

No definition available.

Name:	apha_ConvertibleDebenturesConversionBasisPercentageOnSalePriceAndConversionRate
Namespace Prefix:	apha_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the conversion price on conversion of debentures to common stock.

No definition available.

Name:	apha_ConvertibleDebenturesConversionInToCommonStockConversionPrice
Namespace Prefix:	apha_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Represents the conversion rate which the holders of the notes may convert all or any portion of their notes on the conversion basis prescribed.

No definition available.

Name:	apha_ConvertibleDebenturesConversionRate
Namespace Prefix:	apha_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the conversion basis on number of consecutive trading days (the "measurement period").

No definition available.

Name:	apha_ConvertibleDebenturesConvertibleMeasurementPeriod
Namespace Prefix:	apha_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the conversion basis on number of business days.

No definition available.

Name:	apha_ConvertibleDebenturesConvertibleNumberOfBusinessDays
Namespace Prefix:	apha_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of redemption of notes, of the principal amount plus accrued and unpaid interest to, but excluding the redemption date.

No definition available.

Name:	apha_ConvertibleDebenturesConvertibleRedemptionPercentage
Namespace Prefix:	apha_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the conversion basis on number of trading days traded on a stock exchange.

No definition available.

Name:	apha_ConvertibleDebenturesConvertibleThresholdTradingDays
Namespace Prefix:	apha_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The maturity period of borrowings

No definition available.

Name:	apha_DebtMaturityPeriod
Namespace Prefix:	apha_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The increase (decrease) in the fair value of credit derivatives or similar instruments related to loans or receivables. [Refer: Derivatives [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
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Name:	ifrs-full_ChangesInFairValueOfLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstruments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

Name:	ifrs-full_DisclosureOfFinancialLiabilitiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of notes and debentures issued by the entity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_NotesAndDebenturesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The cash inflow from the issuing of bonds, notes and debentures.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2018-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17&doctype=Standard
-URIDate 2018-03-16