|12 Months Ended|
Dec. 30, 2017
|Business Combinations [Abstract]|
|Schedule of Business Acquisitions, by Acquisition [Table Text Block]||
The following table reconciles the preliminary estimated fair value of the acquired assets and assumed liabilities to the total purchase price of the STFS acquisition:
Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts.
Reference 1: http://www.xbrl.org/2003/role/presentationRef