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v3.22.2.2

Summary of Significant Accounting Policies - Additional Information (Detail) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statements [Line Items] |  |  |  |  |
Impact of the net reclassification on cost of goods sold and gross margin | $ 4.6 | $ 8.6 | $ 17.3 | $ 18.9 | $ 14.9
Stock Options Equity Settled Share Based Payments [Member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Description of vesting requirements for share based payment arrangement |  |  | over a five-year |  |
Description of maximum term of options granted for share based payment arrangement |  |  | seven-year |  |
Number of days proceeding the date of the grant |  |  | 5 days |  |
Phantom Share Entitlement [Member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Description of vesting requirements for share based payment arrangement |  |  | over a five-year |  |
Description of maximum term of options granted for share based payment arrangement |  |  | seventh anniversary |  |
Number of days proceeding the date of the grant |  |  | 5 days |  |
Bottom of range [member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Rental equipment useful life |  |  | 5 years |  |
Estimated useful life of the overhaul |  |  | 2 years |  |
Useful life measured as period of time, Intangible assets other than goodwill |  |  | 3 years |  |
Top of range [member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Rental equipment useful life |  |  | 20 years |  |
Estimated useful life of the overhaul |  |  | 5 years |  |
Useful life measured as period of time, Intangible assets other than goodwill |  |  | 8 years |  |
Joint ventures [member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Proportion of ownership interest in joint venture |  |  | 65.00% |  |
Roska DBO [Member] |  |  |  |  |
Statements [Line Items] |  |  |  |  |
Proportion of ownership interest in associate |  |  | 45.00% |  |

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