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Debt (Summary of Loss on Extinguishment of Debt) (Details) - USD ($) $ in Thousands | 4 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2016 | Dec. 29, 2017 | Dec. 30, 2016 | Jan. 01, 2016
Debt Instrument [Line Items] |  |  |  |
Loss on extinguishment of debt |  | $ 6,239 | $ 13,901 | $ 0
Senior subordinated notes [Member] | 2019 Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Cash inducements | $ 2,400 |  | 2,394 |
Waiver of requirement to repay interest, described above | 3,600 |  | 3,572 |
Difference between the total settlement consideration attributed to the liability component of the 2019 Notes and the net carrying value of the liability |  |  | 7,338 |
Unamortized discount on redeemed notes |  |  | 83 |
Third-party costs |  |  | 514 |
Loss on extinguishment of debt | $ 13,900 |  | $ 13,901 |

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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