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Long-term debt Debt disclosure (Tables) | 6 Months Ended
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Jul. 02, 2016
Debt Instrument [Line Items] |
Schedule of Debt [Table Text Block] |
| July 2, 2016 |  | January 2, 2016
Revolving line of credit | $ | 175,000 |  |  | $ | 185,000 |
Long term portion of capital lease obligations acquisition | 1 |  |  | 71 |
Total long term debt | $ | 175,001 |  |  | $ | 185,071 |

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration