Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive Plan, common stock available for issuance	3,200,000
Unrecognized compensation cost, weighted-average recognition period	1 year 10 months 24 days
Fair value of performance share awards vested	$ 22.3	$ 34.1	$ 35.8
Incentive Plan, weighted-average grant date fair value of stock options granted	$ 21.38	$ 26.13	$ 20.39
Unrecognized compensation cost related to unvested option	$ 5.2
Fair value of options vested	6.3	$ 5.5	$ 6.3
Intrinsic value of stock options exercised	1.3	9.1	8.5
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation costs classified as liability	0.8	$ 2.0	$ 1.3
Unrecognized pre-tax compensation cost	$ 19.4
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average recognition period	1 year 8 months 12 days
Performance Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive Plan, options vesting period	3 years
Unrecognized pre-tax compensation cost	$ 3.7
Unrecognized compensation cost, weighted-average recognition period	1 year
Fair value of performance share awards vested	$ 0.1
Vested	(1,426)
Director Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock awards issued	27,994	19,148	27,094
Common stock issued to outside directors	$ 54.77	$ 73.1	$ 64.13

Share Based Compensation Arrangement By Share Based Payment Award Stock Based Award Weighted Average Fair Value

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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