Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details Textual)

v3.19.3
Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization expense $ 4,478 $ 7,049 $ 13,544 $ 17,174
Loss on disposal of intangible asset $ 2,713   $ 2,713