Accounts Receivable and Other Receivables - Additional Information (Detail) - Non Accrual [Member] - CAD ($) $ in Millions	12 Months Ended
Mar. 28, 2026	Mar. 29, 2025
Accounts Receivables [Line Items]
Payment period of term loan	revolving lines of credit and/or installment plans under which the payment terms exceed one year.
Credit card receivables	$ 1.4	$ 1.1

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable classified as noncurrent. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant