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Defined Benefit Plans - Additional Information (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 28, 2024 USD ($) Participants	Dec. 30, 2023 USD ($) Employee	Dec. 31, 2026	Dec. 27, 2025 USD ($) Age	Dec. 28, 2024 USD ($)	Dec. 30, 2023 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan payment		$ 27.0
Number of Participants Elected To Accept Lump Sum Options | Employee		700
Defined benefit plan settlements payment		$ 2.0
Pension plan assets transferred to annuity contract	$ 266.6
Loss on settlement	$ 19.0
Number of participants and beneficiaries transferred | Participants	4,100
Defined Contribution Plan, cash contributions				$ 38.5	$ 35.5	$ 28.7
Real estate [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Assets redemption notice period				45 days
Investment Assets [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Assets redemption notice period				95 days
Investments Measured at Net Asset Value Per Share [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments measured using net asset value per share	$ 150.7			$ 14.9	150.7
Minimum [Member] | Return seeking portfolio
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit asset allocation, maximum				0.00%
Minimum [Member] | Liability hedging portfolio
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit asset allocation, maximum				50.00%
Maximum [Member] | Return seeking portfolio
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit asset allocation, maximum				50.00%
Maximum [Member] | Liability hedging portfolio
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit asset allocation, maximum				100.00%
Pension Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan settlements payment				$ 0.0	$ 266.6
Defined benefit plans, blended long-term rate of return on plan assets				6.20%	7.30%	6.10%
Pension Benefits [Member] | Minimum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plans, retirement benefits payment commencement age | Age				55
Pension Benefits [Member] | Maximum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plans, retirement benefits payment commencement age | Age				65
Pension Benefits [Member] | Scenario Forecast Member
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plans, blended long-term rate of return on plan assets			0.20%

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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

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Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.

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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.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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