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Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2016 | Jun. 29, 2016 | Sep. 30, 2015 | Sep. 28, 2016 | Sep. 30, 2015
Total share-based compensation [Abstract] |  |  |  |  |
Total share-based compensation | $ 1,775 |  | $ 1,941 | $ 5,625 | $ 5,505
Restricted Stock Units [Abstract] |  |  |  |  |
Cash award, amount (in dollars) | $ 500 |  |  | 500 |
Performance period, cash award | 1 year |  |  |  |
Performance shares [Member] |  |  |  |  |
Total share-based compensation [Abstract] |  |  |  |  |
Total share-based compensation | $ 1,862 |  | 1,727 | $ 5,284 | 4,905
Restricted Stock Units [Abstract] |  |  |  |  |
Performance period, equity award |  |  |  | 3 years |
Cash payments |  |  |  | $ 2,500 |
Maximum common stock shares issued (in shares) |  |  |  | 0.4 |
Unrecognized compensation cost [Abstract] |  |  |  |  |
Unrecognized compensation cost related to unvested share awards outstanding | 8,600 |  |  | $ 8,600 |
Unrecognized compensation cost, expected weighted average period |  |  |  | 1 year 9 months 22 days |
Performance shares [Member] | Minimum [Member] |  |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |
Percentage of target awards to be earned (in hundredths) |  |  |  | 0.00% |
Performance shares [Member] | Maximum [Member] |  |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |
Percentage of target awards to be earned (in hundredths) |  |  |  | 150.00% |
Performance shares [Member] | Performance shares that vest based on TSR [Member] |  |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |
Equity awards granted (in shares) |  |  |  | 0.3 |
Equity awards, grant date fair value (in dollars per share) |  |  |  | $ 9.43 |
Performance shares [Member] | Performance shares that vest based on EBITDA growth [Member] |  |  |  |  |
Restricted Stock Units [Abstract] |  |  |  |  |
Equity awards granted (in shares) |  |  |  | 0.3 |
Equity awards, grant date fair value (in dollars per share) |  |  |  | $ 9.52 |
Restricted stock units for board members [Member] |  |  |  |  |
Total share-based compensation [Abstract] |  |  |  |  |
Total share-based compensation | $ (87) |  | $ 214 | $ 341 | $ 600
Restricted Stock Units [Abstract] |  |  |  |  |
Equity awards granted (in shares) | 0.1 | 0.1 |  |  |
Equity awards, grant date fair value (in dollars per share) | $ 10.77 | $ 10.77 |  |  |
Performance period, equity award | 3 years |  |  |  |
Maximum common stock shares issued (in shares) |  |  |  | 0.1 |
Unrecognized compensation cost [Abstract] |  |  |  |  |
Unrecognized compensation cost related to unvested share awards outstanding | $ 300 |  |  | $ 300 |
Unrecognized compensation cost, expected weighted average period |  |  |  | 2 years 7 months |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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