|6 Months Ended|
Jul. 01, 2017
|Goodwill and Intangible Assets Disclosure [Abstract]|
|Changes in Goodwill||
Changes in goodwill are summarized by business segment as follows:
Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
Reference 1: http://www.xbrl.org/2003/role/presentationRef