Retirement Plans - Weighted Average Allocations (Details)	12 Months Ended
	Sep. 30, 2022	Sep. 24, 2021
Non-U.S. Plans
Target asset allocation
Target weighted average asset allocations (as a percent)	100.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	100.00%	100.00%
Non-U.S. Plans | Equity securities
Target asset allocation
Target weighted average asset allocations (as a percent)	29.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	22.00%	35.00%
Non-U.S. Plans | Fixed income
Target asset allocation
Target weighted average asset allocations (as a percent)	37.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	63.00%	48.00%
Non-U.S. Plans | Other
Target asset allocation
Target weighted average asset allocations (as a percent)	34.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	15.00%	17.00%
U.S. Plans
Target asset allocation
Target asset allocation funded status minimum (as a percent)	110.00%
Target weighted average asset allocations (as a percent)	100.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	100.00%	100.00%
U.S. Plans | Equity securities
Target asset allocation
Target weighted average asset allocations (as a percent)	67.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	48.00%	51.00%
U.S. Plans | Fixed income
Target asset allocation
Target weighted average asset allocations (as a percent)	33.00%
Weighted average asset allocations
Total weighted average asset allocations (as a percent)	52.00%	49.00%
Long-term Target Asset Allocation | U.S. Plans | Equity securities
Target asset allocation
Target weighted average asset allocations (as a percent)	25.00%
Long-term Target Asset Allocation | U.S. Plans | Fixed income
Target asset allocation
Target weighted average asset allocations (as a percent)	75.00%