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- Definition

Period over which plan activity is adjusted to determine the maximum number of shares that may be issued in accordance with the plan.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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.

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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 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

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

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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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.

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No definition available.

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- Definition

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

+ References

No definition available.

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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

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

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

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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	Dec. 31, 2021	Feb. 28, 2021	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan activity adjustment period - Evergreen provision			5 years
Number of shares available for grant (in shares) - Fixed provision			2,900,000
Tax benefit			$ 0.8	$ 0.4	$ 1.3
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Unrecognized compensation cost, unvested restricted stock			$ 5.9
Compensation cost not yet recognized, period for recognition			1 year 10 months 24 days
Grants in period (in dollars per share)			$ 20.91	$ 15.97	$ 24.76
Vested in period, fair value			$ 2.0	$ 2.4	$ 3.3
Granted (in shares)			265,000
Weighted average grant date fair value (in dollars per share)			$ 21.24	$ 22.74
Total nonvested shares (in shares)			403,000	281,000
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					260,000
Performance Shares, Total Shareholder Return
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, unvested restricted stock			$ 0.0
Compensation cost not yet recognized, period for recognition			0 days
Grants in period (in dollars per share)			$ 0
Vested in period, fair value			$ 0.0
Granted (in shares)			0
Weighted average grant date fair value (in dollars per share)			$ 0	$ 31.38
Total nonvested shares (in shares)			0	47,000
Performance Shares, Single Financial Goal
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years	4 years	4 years
Granted (in shares)				115,000	53,000
Weighted average grant date fair value (in dollars per share)				$ 22.59
Performance Shares, Financial Goals
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)			$ 18.06
Performance Shares, Financial Measure
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, unvested restricted stock			$ 8.7
Compensation cost not yet recognized, period for recognition			3 years 6 months
Grants in period (in dollars per share)			$ 18.06
Vested in period, fair value			$ 0.3
Granted (in shares)	308,000	180,000	488,000
Weighted average grant date fair value (in dollars per share)			$ 20.03	$ 22.40	$ 25.54
Total nonvested shares (in shares)			708,000	366,000
Actual Percentage Achieved			30.00%
Stock-based compensation cost
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation cost			$ 5.1	$ 3.9	$ 5.6
Class A common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares available for grants - Evergreen provision			15.00%
Maximum number of shares available for grants - Fixed provision			4,700,000
Performance shares eligible to earn more than target \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					207,000
Maximum shares eligible to earn \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					413,000
Maximum target percentage allowed under grant		200.00%			200.00%
2021 grant \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total nonvested shares (in shares)			477,000
2020 grant \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total nonvested shares (in shares)			104,000
2019 grant \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total nonvested shares (in shares)			113,000