Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Jun. 30, 2021
Multiemployer Plans [Line Items]
Plan contributions	$ 9,153		$ 10,091		$ 9,145
Employee contribution limit per calendar year	15.00%
Employer matching contribution, percent of match	100.00%		100.00%		100.00%
Percentage of eligible compensation matched by employer	4.00%		4.00%		4.00%
Matching contribution	$ 2,300		$ 1,800		$ 1,500
Pension Plan
Multiemployer Plans [Line Items]
Multiemployer plans, surcharge	No
Plan contributions	$ 2,157	$ 530,300	2,111	$ 317,900	1,952	$ 305,700
Multiemployer plans, contributions by employer, percent	5.00%
Health Plan
Multiemployer Plans [Line Items]
Plan contributions	$ 6,256		7,191	$ 1,700,000	6,386	$ 1,900,000	$ 1,600,000
Multiemployer plans, contributions by employer, percent	5.00%
Other plans
Multiemployer Plans [Line Items]
Plan contributions	$ 740		$ 789		$ 807