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Stock-Based Compensation - Stock Grants and Modifications (Details) - 2009 Stock Incentive Plan - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Full value awards |  |  |
Stock-Based Compensation |  |  |
Number of equity awards granted | 700 | 600 | 700
MSUs |  |  |
Stock-Based Compensation |  |  |
Number of equity awards granted | 93 | 41 | 54
Cash consideration based upon achievement of specified levels of market conditions | $ 0 | $ 0 | $ 0
Award vesting period | 3 years |  |
PSUs |  |  |
Stock-Based Compensation |  |  |
Number of equity awards granted | 0 | 41 | 54
Cash consideration based upon achievement of specified levels of market conditions |  | $ 0 | $ 0
Award vesting period |  | 3 years | 3 years
Stock options |  |  |
Stock-Based Compensation |  |  |
Stock options granted (in shares) |  |  | 0

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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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