Debt - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Mar. 21, 2022	Jan. 31, 2017
Debt
Gross carrying value of debt	$ 3,175,132		$ 2,559,996
Less: current portion	629,621
Less: deferred financing costs	33,992		22,456
Long-term debt	$ 2,511,519		2,537,540
5.10% senior notes due September 2023
Debt
Gross carrying value of debt			$ 52,004
Interest rate on senior notes (as a percent)	5.10%	5.10%	5.10%
0.75% senior exchangeable notes due January 2024
Debt
Gross carrying value of debt	$ 155,529		$ 177,005
Interest rate on senior notes (as a percent)	0.75%		0.75%	0.75%	0.75%
5.75% senior notes due February 2025
Debt
Gross carrying value of debt	$ 474,092		$ 474,092
Interest rate on senior notes (as a percent)	5.75%		5.75%
9.00% senior priority guaranteed notes due February 2025
Debt
Gross carrying value of debt			$ 209,384
Interest rate on senior notes (as a percent)	9.00%		9.00%
7.25% senior guaranteed notes due January 2026
Debt
Gross carrying value of debt	$ 555,902		$ 557,902
Interest rate on senior notes (as a percent)	7.25%		7.25%
7.375% senior priority guaranteed notes due May 2027
Debt
Gross carrying value of debt	$ 700,000		$ 700,000
Interest rate on senior notes (as a percent)	7.375%		7.375%
7.50% senior guaranteed notes due January 2028
Debt
Gross carrying value of debt	$ 389,609		$ 389,609
Interest rate on senior notes (as a percent)	7.50%		7.50%
1.75% senior exchangeable notes due June 2029
Debt
Gross carrying value of debt	$ 250,000
Interest rate on senior notes (as a percent)	1.75%
9.125% senior priority guaranteed notes due January 2030
Debt
Gross carrying value of debt	$ 650,000
Interest rate on senior notes (as a percent)	9.125%