Equity-Based Compensation (Schedule of Compensation Cost By Award Type) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	$ 16,709	$ 14,958	$ 10,582
Income tax benefit	1,417	2,091	1,156
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	4,761	3,718	2,956
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	6,740	5,994	2,479
Time vested restricted stock units (TVA)
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	3,994	3,223	2,461
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	1,126	1,151	1,102
Stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	$ 88	$ 872	$ 1,584