Schedule Of Share Based Compensation Arrangements [Line Items]

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- Definition

Share-based compensation arrangement by share-based payment award, range of percentage payout

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- Definition

Share based compensation arrangement by share based payment award options outstanding weighted average remaining contractual term price below market value.

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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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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-Publisher FASB
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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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- Definition

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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- Definition

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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- Definition

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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- Definition

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 - (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Stock-Based Compensation - (Detail) - USD ($) $ in Millions	May 31, 2020	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021	Jun. 01, 2017
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense		$ 47.7	$ 44.6	$ 42.2
Common stock reserved for future issuance (in shares)		10,200,000
Weighted average remaining contractual term of options outstanding, years price below the market value		4 years 3 months 18 days	5 years 1 month 6 days
Weighted average remaining contractual term of options exercisable, years		3 years 7 months 6 days	4 years 3 months 18 days
Award vesting period		3 years	3 years	3 years
Total fair market value of all vesting options		$ 12.4	$ 15.2	$ 15.1
Aggregated intrinsic value of options outstanding		204.1
Aggregated intrinsic value of options exercisable		199.2
Aggregated intrinsic value of options exercised		14.6	84.7	355.3
Total income tax benefit recognized for share-based compensation expense		2.5	16.4	30.4
Employee Stock Option
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense		11.4	13.0	16.1
Unrecognized compensation cost		$ 18.9
Unrecognized share-based compensation related to unvested options granted, term		4 years 3 months 18 days
Restricted Stock Units (RSUs)
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense		$ 14.4	$ 9.0	$ 5.7
Unrecognized share-based compensation related to unvested options granted		$ 54.2
Weighted average period		3 years 8 months 12 days
Weighted average shares contingently issuable (in shares)		300,000	100,000	100,000
Performance Shares
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation expense		$ 21.9	$ 22.6	$ 20.4
Unrecognized share-based compensation related to unvested options granted		$ 42.3
Weighted average period		1 year 4 months 24 days
Award vesting period		3 years
Weighted average shares contingently issuable (in shares)		300,000	200,000	100,000
2017 Equity Incentive Plan
Schedule Of Share Based Compensation Arrangements [Line Items]
Common stock reserved for future issuance (in shares)		3,900,000
Increase in number of shares authorized (in shares)	2,500,000
Maximum \| Performance Shares
Schedule Of Share Based Compensation Arrangements [Line Items]
Weighted average shares contingently issuable (in shares)		325,124	138,000	194,000
Maximum \| Performance Shares \| 2018 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout				200.00%
Maximum \| Performance Shares \| 2019 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout			200.00%
Maximum \| Performance Shares \| 2020 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout		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
Schedule Of Share Based Compensation Arrangements [Line Items]
Weighted average shares contingently issuable (in shares)		162,562	69,000	97,000
Minimum \| Performance Shares \| 2018 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout				0.00%
Minimum \| Performance Shares \| 2019 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout			0.00%
Minimum \| Performance Shares \| 2020 Grant
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based compensation arrangement by share-based payment award, range of percentage payout		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