11. Intangible assets (Tables)
|12 Months Ended|
Dec. 29, 2018
|Goodwill and Intangible Assets Disclosure [Abstract]|
Intangible assets of continuing operations as of December 29, 2018 and December 30, 2017 consist of the following:
Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef