Property, Plant & Equipment - Components (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Property, Plant and Equipment [Line Items]
Finance lease right-of-use asset	$ 25,000	$ 25,000
Property, plant, and equipment and finance lease right-of-use asset, before accumulated depreciation	3,041,969	2,383,265
Less accumulated depreciation	(1,259,934)	(1,020,070)
Property, plant, and equipment, net	1,782,035	1,363,195
Finance lease, right-of-use asset, accumulated amortization	11,000	9,000
Land and Land Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	69,639	19,368
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	780,204	415,530
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,879,136	1,651,762
Construction in Progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 287,990	$ 271,605