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Financial Instruments (Tables) | 12 Months Ended
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Dec. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance | A summary of the company’s interest rate swaps is as follows (in thousands):
|  |  | Twelve Months Ended
| Location |  | Dec 30, 2017 |  |  | Dec 31, 2016 |
Fair value | Other assets |  | $ | 10,266 |  |  | $ | 8,842 |
Fair value | Other liabilities |  | $ | — |  |  | $ | (100 | )
Amount of gain/(loss) recognized in other comprehensive income | Other comprehensive income |  | $ | 531 |  |  | $ | 7,892 |
Gain/(loss) reclassified from accumulated other comprehensive income (effective portion) | Interest expense |  | $ | (939 | ) |  | $ | (1,230 | )
Gain/(loss) recognized in income (ineffective portion) | Other expense |  | $ | 54 |  |  | $ | 32 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959 + Details
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