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Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2016 | Oct. 03, 2015 | Oct. 01, 2016 | Oct. 03, 2015
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  |  | $ 46,200 | $ (131,800)
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 |  |
Fiscal Year to Date in Days |  |  | 273 days | 273 days
Basic: |  |  |  |
Net income | $ 28,694 | $ (9,087) | $ 61,772 | $ (5,898)
Shares (in shares) | 164,653,000 | 165,195,000 | 164,574,000 | 165,086,000
Per Share (in usd per share) | $ 0.17 | $ (0.06) | $ 0.38 | $ (0.04)
Effect of dilutive securities: [Abstract] |  |  |  |
Add: Option shares in the money and dilutive effect of non-vested stock (in shares) | 1,717,000 | 0 | 1,222,000 | 0
Less: Pro forma treasury shares (in shares) | (934,000) | 0 | (642,000) | 0
Diluted: |  |  |  |
Net Income | $ 28,694 | $ (9,087) | $ 61,772 | $ (5,898)
Shares (in shares) | 165,436,000 | 165,195,000 | 165,154,000 | 165,086,000
Per Share (in usd per share) | $ 0.17 | $ (0.06) | $ 0.37 | $ (0.04)
Stock Options [Member] |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 1,228,334 | 905,903 | 1,122,165 | 947,095
Non Vested Stock [Member] |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 887,413 | 646,813 | 812,780 | 685,624

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