Segment Information - Schedule of Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,559,780	$ 1,736,286	$ 1,796,643
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	777,605	940,367	1,025,988
U.K.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	492,046	497,150	477,400
Western Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	179,108	183,609	180,080
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 111,021	$ 115,160	$ 113,175