Restructuring Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring expenses (note 11)	$ 64,228	$ 0	$ 64,228	$ 0
2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expenses (note 11)	64,200		64,200
Accrued restructuring expenses	7,000		7,000
2024 Restructuring Plan | Employee Severance And One-time Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expenses (note 11)	28,600		28,600
2024 Restructuring Plan | Intangible Asset Impairment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses (note 11)	33,200		33,200
2024 Restructuring Plan | Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring expenses (note 11)	$ 2,400		$ 2,400