Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Narrative) (Details)

v3.8.0.1
Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Intangible Assets [Abstract]      
Goodwill impairment $ 0 $ 0 $ 0
Impairment of indefinite-lived intangible assets 0 0 0
Aggregate amortization of intangible assets $ 1,480 $ 1,500 $ 900