Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 29, 2018	Sep. 30, 2017
Common Stock, Par Value	$ 1.00	$ 1.00
Class A Common Stock
Common Stock, Shares, Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	43,784,489	43,704,286
Common Stock, Shares, Outstanding	32,486,766	32,346,135
Class B Common Stock
Common Stock, Shares, Authorized	20,000,000	20,000,000
Common Stock, Shares, Issued	7,495,224	7,575,427
Common Stock, Shares, Outstanding	2,311,286	3,436,747