BORROWINGS - Additional Information (Details) - Line of Credit		1 Months Ended
	Mar. 27, 2026 USD ($) extension	Oct. 31, 2025 USD ($)
2026 Facilities
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 1,500,000,000
Increase to maximum borrowing capacity	$ 250,000,000
2026 Facilities | Base Rate
Debt Instrument [Line Items]
Accrued interest rate	0.25%
2026 Facilities | Relevant Rate
Debt Instrument [Line Items]
Accrued interest rate	1.25%
2026 Revolving Credit Facility
Debt Instrument [Line Items]
Operating income leverage ratio	3.5
HarperCollins Warehouse Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity		$ 120,000,000
Accrued interest rate		1.475%
Debt instrument term		7 years
Revolving Credit Facility | 2026 Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 1,000,000,000
Debt instrument term	5 years
Number of extension options | extension	2
Extension term	1 year
Unused capacity commitment fee percentage	0.15%
Unsecured Debt | Term Loan A Credit Facility
Debt Instrument [Line Items]
Debt instrument term	5 years
Purchase price	$ 500,000,000
Amortization percentage, tranche one	0.00%
Amortization percentage, tranche two	2.50%
Amortization percentage, tranche three	2.50%
Amortization percentage, tranche four	5.00%
Amortization percentage, tranche five	5.00%
Extension term	1 year
Letter of Credit | 2026 Facilities
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 100,000,000