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Significant Accounting Policies (Goodwill and Other Intangible Assets) (Details) | 12 Months Ended
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Dec. 31, 2016 USD ($) reporting_unit | Jan. 02, 2016 USD ($) | Jan. 03, 2015 USD ($)
Finite lived intangible assets |  |  |
Number of reporting units that evaluate goodwill for impairment | reporting_unit | 3 |  |
Trade name |  |  |
Finite lived intangible assets |  |  |
Impairment charges | $ | $ 0 | $ 9,100,000.0 | $ 0
Minimum |  |  |
Finite lived intangible assets |  |  |
Useful Lives | 3 years |  |
Maximum |  |  |
Finite lived intangible assets |  |  |
Useful Lives | 20 years |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reporting Unit -URI http://asc.fasb.org/extlink&oid=6523643 + Details
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