Balance sheet parenthetical (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Statement of Financial Position [Abstract]
Accounts receivable allowances	$ 8,570	$ 12,481
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000	5,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	166,667	166,667
Common Stock, Shares, Issued	107,629	105,551
Common Stock, Shares, Outstanding	64,999	69,720
Treasury Stock, Shares	42,630	35,831