Employee Stock Purchase Offering Period

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

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.

+ References

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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

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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- 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

No definition available.

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- Definition

Number of 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

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, 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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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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- Definition

Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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Employee Stock Benefit Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 01, 2021	Jan. 03, 2020	Dec. 28, 2018	Nov. 20, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized stock-based compensation expense	$ 164.5
Unamortized compensation expense weighted-average recognition period, in years	2 years 4 months 24 days
Total intrinsic value of options exercised	$ 11.5	$ 16.4	$ 30.0
Weighted average grant-date fair value of stock options granted (in dollars per share)	$ 14.30	$ 12.92	$ 10.62
Fair value of stock options vested	$ 0.2	$ 0.2	$ 1.9
Common stock, shares authorized (in shares)	360,000,000.0	360,000,000.0
2002 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for grant (in shares)	92,600,000			18,000,000.0
Share-based compensation, remaining number of shares available (in shares)	21,100,000
PSUs \| 2002 Stock Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	2 years
PSUs \| 2002 Stock Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	3 years
Time Based Restricted Stock Units \| 2002 Stock Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	3 years
Time Based Restricted Stock Units \| 2002 Stock Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	4 years
Performance Stock Units (PSU) Granted Prior to 2019 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of the target grant amount received at vesting	0.00%
Performance Stock Units (PSU) Granted Prior to 2019 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of the target grant amount received at vesting	200.00%
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value, granted (in dollars per share)	$ 42.50	$ 41.38	$ 37.43
Share-based compensation, equity instruments other than options, vested in period, fair value	$ 78.0	$ 75.7	$ 73.9
Stock options \| 2002 Stock Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	3 years
Share-based payment award, expiration period	7 years
Stock options \| 2002 Stock Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share units granted vesting period, in years	5 years
Share-based payment award, expiration period	10 years
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)	39,000,000.0
Percentage of lower fair market value to be purchased of common stock through payroll deductions	85.00%
Employee stock options granted term, in months (in shares)	6 months
Stock issued during period, shares, employee stock purchase plans (in shares)	800,000	800,000	800,000
Stock issued during period, value, employee stock purchase plan	$ 26.9	$ 25.7	$ 24.0
Number of shares reserved for future purchases (in shares)	6,600,000