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Stock Compensation Plans and Stock Based Compensation (Details Textual) - USD ($) shares in Thousands | 7 Months Ended | 11 Months Ended | 12 Months Ended | 18 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 31, 2018 | Jan. 02, 2021 | Jan. 02, 2021 | Jan. 31, 2020 | 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 | 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 |  | 5,300 | 5,300 |  |
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% | 12.00% | 12.00% |  |
Maximum amount for which common stock can be purchased by employees in any calendar year | $ 8,000 | $ 12,000 |  | $ 10,000 |
2014 Omnibus Equity Incentive Plan [Member] |  |  |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |  |  |
Number of shares available for issuance under equity incentive plan |  | 16,200 | 16,200 |  |
Expiration period from date of grant for options granted |  |  | 7 years |  |
Additional shares authorized and available for issuance under equity incentive plan |  |  | 9,000 |  |
Stock options [Member] |  |  |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |  |  |
Total unrecognized compensation expense, net of estimates forfeitures |  | $ 15,000,000.0 | $ 15,000,000.0 |  |
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 |  | 6,239 | 6,239 |  | 8,393
Total unrecognized compensation expense, net of estimates forfeitures |  | $ 316,000,000.0 | $ 316,000,000.0 |  |
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 |  |
Performance Based Restricted Stock Grants [Member] |  |  |  |  |
Stock Compensation Plans (Textual) [Abstract] |  |  |  |  |
Performance-based stock awards, total granted |  | 1,800 | 1,800 |  |

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