Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting (Details Textual)

v3.20.2
Segment Reporting (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2020
USD ($)
Jun. 29, 2019
USD ($)
Jun. 27, 2020
USD ($)
Segment
Jun. 29, 2019
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | Segment     2  
Amortization of intangible assets $ 4,417 $ 4,545 $ 8,765 $ 9,066
Goodwill Impairment Charges     31,871  
Corporate and Other [Member]        
Segment Reporting Information [Line Items]        
Unallocated costs     42,519  
Corporate costs not deemed allocable to either business segment     $ 1,883