The number of authorized stock that is reduced by the issuance of other than stock option awards.

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The maximum percentage of the shares issued compared to the unit amount of the equity instruments, other than options, that are exercised to acquire the shares issued.

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The rate at which an employee stock option is exercisable.

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

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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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Aggregate dividends paid during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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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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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

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

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No definition available.

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

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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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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Shareholders' Equity - Narrative (Details)	3 Months Ended	12 Months Ended
Shareholders' Equity - Narrative (Details)	Apr. 05, 2020 USD ($)	Jan. 03, 2021 USD ($) $ / shares shares	Dec. 29, 2019 USD ($) $ / shares shares	Dec. 30, 2018 USD ($) $ / shares shares	May 22, 2020 shares	Jul. 01, 2018 USD ($)	May 31, 2015 shares
Class of Stock [Line Items]
Common stock, shares authorized (in shares) \| shares		120,000,000	120,000,000
Common stock, par value (in dollars per share) \| $ / shares		$ 0.10	$ 0.10
Common stock, cash dividends paid (in dollars per share) \| $ / shares		$ 0.095	$ 0.26	$ 0.26
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation rate at which stock options exercisable		100.00%
Number of shares authorized for issuance or transfer (in shares) \| shares					3,700,000		5,161,020
Number of authorized stock reduced by issuance of other than stock option award							1.33
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (benefit)		$ 0	$ 0	$ 0
Stock Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Expiration period		3 years
Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		5 years
Expiration period		10 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (benefit)		$ 1,300,000	$ 3,300,000	$ 4,100,000
Stock awards granted (in shares) \| shares		308,100	223,500	194,000
Unrecognized compensation cost related to unvested restricted stock		$ 3,000,000.0
Restricted Stock \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Restricted Stock \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (benefit)		$ (1,800,000)	$ 5,400,000	$ 10,400,000
Stock awards granted (in shares) \| shares		263,700
Number of shares that may be issued in settlement of the performance shares to the award recipient, upper limit (percentage)		200.00%
Unrecognized compensation expense related to unvested performance share awards		$ 6,700,000
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Restricted Stock and Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense, tax benefit		$ 600,000	$ 1,400,000	$ 2,400,000
Common Stock
Class of Stock [Line Items]
Stock repurchase program, authorized amount to be repurchased						$ 100,000,000
Stock repurchased and retired (in shares) \| shares			1,556,000	615,000
Weighted average purchase price (in dollars per share) \| $ / shares			$ 16.13	$ 23.54
Forfeiture of Share Based Compensation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of new accounting standard - share-based payment awards	$ 1,400,000	$ 1,400,000