v3.25.1

Leases - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Gain on sale of leased vehicles	$ 5.2	$ 5.7	$ 7.4
Sale and leaseback transaction closing cost		25.9
Recognized loss on sale and leaseback transaction		2.9
Sub-lease income	0.4	$ 0.6	$ 0.4
Operating lease not yet commenced	$ 174.3
Operating lease not yet commenced term	15 years
Minimum
Lessee, Lease, Description [Line Items]
Operating lease expected commenced term	2025
Maximum
Lessee, Lease, Description [Line Items]
Operating lease expected commenced term	2027

Lessee, operating lease, lease expected commenced, term.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Lessee, operating lease, lease not yet commenced, amount.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Recognized loss on sale and leaseback transaction.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Sale and leaseback transaction closing cost.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net gain (loss) arising from the lessor's sale of assets held- or available-for-lease under contractual arrangements classified as operating leases.

+ References

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Balance Type:	credit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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KinderCare Learning Companies, Inc. 10-K