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Stock Compensation Plans and Stock Based Compensation (Details Textual) - USD ($) shares in Thousands | 5 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 29, 2018 | Jul. 31, 2018 | Dec. 28, 2019
One Thousand Nine Hundred Ninety Five Directors Stock Options Plan [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Number of shares available for issuance under equity incentive plan |  |  | 500
Term of options granted under Directors' Plan |  |  | 10 years
Employee stock purchase plans [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Percentage of lower of fair market value at beginning or end of applicable offering period used for calculating price of common stock to be purchased by employees |  |  | 85.00%
Purchase period for common stock |  |  | 6 months
Number of shares available for issuance under Employee Stock Purchase Plan |  |  | 6,000
Employee Stock Purchase Plan with Offering Period Commencing on February 1, 2014 [Member] [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Maximum percentage of annual base earnings plus bonuses and commissions for which common stock can be purchased by employees |  | 7.00% | 10.00%
Maximum amount for which common stock can be purchased by employees in any calendar year | $ 10,000 | $ 8,000 |
2014 Omnibus Equity Incentive Plan [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Number of shares available for issuance under equity incentive plan |  |  | 9,400
Expiration period from date of grant for options granted |  |  | 7 years
Additional shares authorized and available for issuance under equity incentive plan |  |  | 4,000
Stock options [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Total unrecognized compensation expense, net of estimates forfeitures |  |  | $ 12,700,000
Weighted-average vesting period over which unrecognized compensation expense will be recognized |  |  | 2 years 3 months 18 days
Stock options [Member] | 2014 Omnibus Equity Incentive Plan [Member] | Maximum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 4 years
Stock options [Member] | 2014 Omnibus Equity Incentive Plan [Member] | Minimum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 3 years
Employee Stock [Member] | One Thousand Nine Hundred Ninety Five Directors Stock Options Plan [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 1 year
Restricted stock [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Performance-based stock awards, total granted | 9,702 |  | 8,393
Total unrecognized compensation expense, net of estimates forfeitures |  |  | $ 287,700,000
Weighted-average vesting period over which unrecognized compensation expense will be recognized |  |  | 2 years 1 month 6 days
Restricted stock [Member] | Maximum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 4 years
Restricted stock [Member] | Minimum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 3 years
Restricted stock [Member] | One Thousand Nine Hundred Ninety Five Directors Stock Options Plan [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 1 year
Restricted stock [Member] | 2014 Omnibus Equity Incentive Plan [Member] | Maximum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 4 years
Restricted stock [Member] | 2014 Omnibus Equity Incentive Plan [Member] | Minimum [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Minimum vesting period |  |  | 3 years
Performance Based Restricted Stock Grants [Member] |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |
Performance-based stock awards, total granted |  |  | 2,200

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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. + 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 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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