Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Fair Value Measurement Inputs (Details)

v3.22.2
Fair Value of Financial Instruments - Fair Value Measurement Inputs (Details)
$ / shares in Units, $ in Millions
May 31, 2022
CAD ($)
$ / shares
shares
Feb. 28, 2022
$ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Common shares to be repurchased for cancellation under share repurchase credit feature (in shares) | shares 27,378,866  
Tranche B Warrants and Tranche C Warrants | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Dollar value of common shares to be repurchased for cancellation under share repurchase credit feature, C$ | $ $ 1,583.0  
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Exercise price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, C$ per share $ 50.40 $ 50.40
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Valuation date stock price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, C$ per share $ 6.33 $ 9.04
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Remaining term    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, term 1 year 4 months 24 days 1 year 8 months 12 days
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.850 0.750
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Risk-free interest rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.026 0.014
Significant Other Observable Inputs (Level 2) | Warrants | Tranche A Warrants | Expected dividend yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.000 0.000
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Exercise price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, C$ per share $ 76.68 $ 76.68
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Valuation date stock price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, C$ per share $ 6.33 $ 9.04
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Remaining term    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, term 4 years 4 months 24 days 4 years 8 months 12 days
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.850 0.750
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Risk-free interest rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.027 0.017
Significant Other Observable Inputs (Level 2) | Warrants | Tranche B Warrants | Expected dividend yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants outstanding, measurement input, decimal 0.000 0.000
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Conversion price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt instrument, measurement input, C$ per share $ 48.17 $ 48.17
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Valuation date stock price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt instrument, measurement input, C$ per share $ 6.33 $ 9.04
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Remaining term    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt instrument, term 1 year 1 month 6 days 1 year 4 months 24 days
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Instrument, measurement input, decimal 0.850 0.750
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Risk-free interest rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Instrument, measurement input, decimal 0.025 0.014
Significant Other Observable Inputs (Level 2) | Convertible debt securities | Expected dividend yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Instrument, measurement input, decimal 0.000 0.000