Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Narrative (Details)

v3.20.1
Goodwill - Narrative (Details)
6 Months Ended
Mar. 28, 2020
USD ($)
segment
Mar. 30, 2019
USD ($)
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      
Goodwill [Line Items]          
Goodwill $ 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