Schedule Of Share Based Compensation Arrangements [Line Items]

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Share-Based Compensation Arrangement by Share-Based Payment Award, Minimum Awards Required To Vest, Percentage

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Share-Based Compensation Arrangement By Share-Based Payment Award, Range of Percentage Payout

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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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- Definition

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

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- Definition

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

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

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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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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

Amount of cost expensed and capitalized for award under share-based payment arrangement.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions				1 Months Ended	12 Months Ended
	Feb. 26, 2024	Feb. 27, 2023	Feb. 14, 2022	May 31, 2020	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022	Jun. 01, 2017
Schedule Of Share Based Compensation Arrangements [Line Items]
Award vesting period					3 years	3 years	3 years
Stock-based compensation expense (benefit)					$ 41.5	$ 7.0	$ 47.7
Share-based compensation arrangement, weighted average remaining contractual term (in years)					3 years 2 months 12 days	4 years 10 months 24 days
Weighted average remaining contractual term of options exercisable, years					2 years 2 months 12 days	2 years 10 months 24 days
Total fair market value of all vesting options					$ 8.3	$ 9.5	12.4
Aggregated intrinsic value of options outstanding					108.5
Aggregated intrinsic value of options exercisable					105.8
Aggregated intrinsic value of options exercised					58.2	19.0	14.6
Total income tax benefit recognized for share-based compensation expense					5.7	2.9	2.5
Employee Stock Option
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense (benefit)					4.6	8.8	11.4
Unrecognized compensation cost					$ 10.9
Unrecognized share-based compensation related to unvested options granted, term					2 years 8 months 12 days
Restricted Stock Units (RSUs)
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense (benefit)					$ 34.2	$ 20.1	$ 14.4
Unrecognized share-based compensation related to unvested options granted					$ 81.4
Weighted average period					2 years 9 months 18 days
Weighted average shares contingently issuable (in shares)					300,000	500,000	300,000
Performance Shares
Schedule Of Share Based Compensation Arrangements [Line Items]
Award vesting period	3 years	3 years	3 years
Stock-based compensation expense (benefit)					$ 2.7	$ (21.9)	$ 21.9
Unrecognized share-based compensation related to unvested options granted					$ 13.3
Weighted average period					1 year 2 months 12 days
Weighted average shares contingently issuable (in shares)					200,000	100,000	300,000
Performance Shares \| 2021 PSU Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Weighted average shares contingently issuable (in shares)					155,156	103,000	162,562
2017 Equity Incentive Plan
Schedule Of Share Based Compensation Arrangements [Line Items]
Increase in number of shares authorized (in shares)				2,500,000
Minimum percentage of awards required to vest				95.00%
Award vesting period				1 year
Maximum \| Performance Shares \| 2021 PSU Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Weighted average shares contingently issuable (in shares)							325,124
Share-based compensation arrangement by share-based payment award, range of percentage payout					200.00%	200.00%	200.00%
Maximum \| 2007 Stock Incentive Plan
Schedule Of Share Based Compensation Arrangements [Line Items]
Number of shares available for grant (in shares)								5,000,000
Maximum \| 2017 Equity Incentive Plan
Schedule Of Share Based Compensation Arrangements [Line Items]
Number of shares available for grant (in shares)				7,500,000
Minimum \| Performance Shares \| 2021 PSU Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout					0.00%	0.00%	0.00%
Minimum \| 2017 Equity Incentive Plan
Schedule Of Share Based Compensation Arrangements [Line Items]
Number of shares available for grant (in shares)								5,000,000