Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Jun. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Fair value, assets, level 1 to level 2 transfers, amount	$ 0	$ 0	$ 0	$ 0
Fair value, liabilities, level 1 to level 2 transfers, amount	0	0	0	0
Fair value, assets, level 2 to level 1 transfers, amount	0	0	0	0
Fair value, liabilities, level 2 to level 1 transfers, amount	0	0	0	0
Fair value assets level 3 to level 1 transfers, amount	0	0	0	0
Fair value liabilities level 3 to level 1 transfers, amount	0	0	0	0
Impairment charge	119,908,000	91,267,000	119,908,000	91,267,000
Trademarks and other intangible assets, net	194,293,000		194,293,000		$ 210,905,000
U. S. Reporting Unit
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairment charge		(91,267,000)		(91,267,000)
Impairment charge	38,495,000		38,495,000
Non-cash impairment charge	38,495,000
Estimated fair value of goodwill	459,000,000		459,000,000
U.K. Reporting Unit
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairment charge	81,413,000		81,413,000
Non-cash impairment charge	81,413,000
Estimated fair value of goodwill	270,525,000		270,525,000
North America
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairment charge		$ (17,986,000)		$ (17,986,000)
Impairment charge			(38,495,000)
International Segment
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairment charge			(81,413,000)
Snacks | International Segment
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairment charge	11,917,000		11,917,000
Non-cash impairment charge	11,917,000
Trademarks and other intangible assets, net	37,685,000		37,685,000
Baby/Kids [Member] | International Segment
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Trademarks and other intangible assets, net	$ 35,801,000		$ 35,801,000