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Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018 | Dec. 30, 2018 | Dec. 29, 2018
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Term of contract not recognized |  |  | 12 months |  |  |
Operating lease, liability | $ 120,143 |  | $ 120,143 |  | $ 134,400 |
Operating right-of-use assets, net | 120,950 |  | 120,950 |  | $ 135,700 | $ 0
Financing Receivable, Sale | 50,700 | $ 31,800 | 83,200 | $ 50,600 |  |
Financing Receivable, Significant Sales, Transaction Fees | $ 300 | $ 100 | 500 | 200 |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  |  | $ 11,200 | (60,000) |  |
Minimum fiscal year period in days |  |  | 364 days |  |  |
Maximum fiscal year period in days |  |  | 371 days |  |  |
Fiscal quarter period in days | 91 days | 91 days |  |  |  |
Basic: |  |  |  |  |  |
Net income | $ 26,258 | $ (30,420) | $ 44,270 | $ 66,885 |  |
Shares (in shares) | 164,935,000 | 164,651,000 | 164,895,000 | 164,774,000 |  |
Per Share (in usd per share) | $ 0.16 | $ (0.18) | $ 0.27 | $ 0.41 |  |
Effect of dilutive securities: [Abstract] |  |  |  |  |  |
Add: Option shares in the money and dilutive effect of non-vested stock (in shares) | 5,801,000 | 0 | 5,964,000 | 2,536,000 |  |
Less: Pro forma treasury shares (in shares) | (2,304,000) | 0 | (2,313,000) | (1,051,000) |  |
Diluted: |  |  |  |  |  |
Net Income | $ 26,258 | $ (30,420) | $ 44,270 | $ 66,885 |  |
Shares (in shares) | 168,432,000 | 164,651,000 | 168,546,000 | 166,259,000 |  |
Per Share (in usd per share) | $ 0.16 | $ (0.18) | $ 0.26 | $ 0.40 |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |
Fiscal Year to Date in Days |  |  | 182 days | 182 days |  |
Stock Options [Member] |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 641,399 | 3,801,665 | 641,399 | 2,275,607 |  |
Non Vested Stock [Member] |  |  |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 556,418 | 2,634,828 | 471,661 | 1,475,394 |  |

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