Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Narrative (Details)

v3.20.2
Goodwill - Narrative (Details)
3 Months Ended 9 Months Ended
Jun. 27, 2020
USD ($)
Jun. 29, 2019
USD ($)
Jun. 27, 2020
USD ($)
segment
Jun. 29, 2019
USD ($)
Dec. 28, 2019
USD ($)
Sep. 28, 2019
USD ($)
May 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]              
Number of reporting units | segment     2        
Impairment of goodwill $ 0 $ 0 $ 0 $ 0      
Goodwill [Line Items]              
Goodwill $ 289,854,000 $ 281,177,000 $ 289,854,000 $ 281,177,000   $ 286,077,000  
C&S Products              
Goodwill [Line Items]              
Goodwill             $ 3,777,000
Pet Segment | C&S Products              
Goodwill [Line Items]              
Goodwill         $ 3,800,000