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Fair Value of Financial Instruments - Assets in Level 3 (Details) - Assets and liabilities measured at fair value on recurring basis - Significant Unobservable Inputs (Level 3) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Jan. 02, 2016
Fair value assets reconciliation of changes |  |
Balance at the end of the year | $ 5,196 |
Auction rate securities |  |
Fair value assets reconciliation of changes |  |
Balance at the beginning of the year | 7,126 | $ 7,419
Settlements | (2,000) |
Gain (loss) included in other comprehensive income (loss) | 70 | (293)
Balance at the end of the year | $ 5,196 | $ 7,126

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- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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