Annual report pursuant to Section 13 and 15(d)

Transactions with Related Parties (Details)

v3.19.3
Transactions with Related Parties (Details) - Contract Packaging, Inc. - USD ($)
$ in Millions
12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 30, 2017
Related Party Transaction [Line Items]      
Percentage of shares held by CPI in Tech Pac 20.00% 20.00% 20.00%
Amount due to related party $ 0.3 $ 2.1  
Tech Pac      
Related Party Transaction [Line Items]      
Purchases products from related party $ 32.5 $ 51.1 $ 37.0