Income Taxes (Components of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Current, Federal	$ 19,721	$ 14,683	$ 51,454
Current, State	7,844	5,242	4,922
Total Current	27,565	19,925	56,376
Deferred, Federal	4,625	3,750	23,462
Deferred, State	537	350	1,890
Total Deferred	5,162	4,100	25,352
Income tax expense from continuing operations	32,727	24,025	81,728
Income tax expense (benefit) from discontinued operations	$ 144	$ (2,863)	$ 15,700