Investments in Productions and Investments in Acquired Content Rights - Summary of programming costs (Detail) - Entertainment One Film And Television Business [Member] - USD ($) $ in Thousands	Oct. 01, 2023	Dec. 25, 2022	Dec. 26, 2021
Individual Monetization
Released, net of amortization	$ 463,657	$ 489,756	$ 446,392
Completed and not released	68,741	78,644	25,450
In production	76,013	21,915	50,755
Pre-production	123,444	103,687	73,788
Total	$ 731,855	$ 694,002	$ 596,385

Amount of capitalized film cost for film predominantly monetized on its own.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483154/926-20-50-2

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCostAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of capitalized film cost for completed and not released film predominantly monetized on its own.

+ References

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCostCompletedAndNotReleased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of capitalized film cost incurred in development and preproduction of film predominantly monetized on its own.

+ References

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCostDevelopmentAndPreproduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of capitalized film cost incurred in production of film predominantly monetized on its own.

+ References

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCostProduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of capitalized film cost for released film predominantly monetized on its own.

+ References

+ Details

Name:	us-gaap_FilmMonetizedOnItsOwnCapitalizedCostReleased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=cik0002052959_EntertainmentOneFilmAndTelevisionBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: