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Stock-Based Compensation (Non-Vested Activity - Tables - Stock Options, RSUs, PSUs) (Details) - $ / shares | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Non-vested at beginning of year | 2,149,221 |  |
Grants | 58,000 |  |
Vested | (524,657) |  |
Forfeited or expired | (248,916) |  |
Non-vested at end of year | 1,433,648 | 2,149,221 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Non-vested at beginning of year | $ 3.57 |  |
Grants | 3.31 |  |
Vested | 3.19 |  |
Forfeited or expired | 3.22 |  |
Non-vested at end of year | 3.74 | $ 3.57 |
Employee Stock Option [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Grants | $ 3.31 | $ 4.12 | $ 1.86
Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Non-vested at beginning of year | 775,356 |  |
Grants | 154,711 |  |
Vested | (314,326) |  |
Forfeited or expired | (17,904) |  |
Non-vested at end of year | 597,837 | 775,356 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Non-vested at beginning of year | $ 8.85 |  |
Grants | 7.65 | $ 9.18 | $ 3.87
Vested | 8.96 |  |
Forfeited or expired | 9.5 |  |
Non-vested at end of year | $ 8.46 | $ 8.85 |
Performance Share Units (PSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Non-vested at beginning of year | 1,519,752 |  |
Grants | 0 |  |
Vested | 0 |  |
Forfeited or expired | (157,856) |  |
Non-vested at end of year | 1,361,896 | 1,519,752 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Non-vested at beginning of year | $ 5.68 |  |
Grants | 0 | $ 5.64 |
Vested | 0 |  |
Forfeited or expired | 6.41 |  |
Non-vested at end of year | $ 5.6 | $ 5.68 |

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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