Retirement Plans (Schedule of Plan Asset Allocation) (Details)	Oct. 03, 2021
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	100.00%
Asset allocation, target, equity securities	100.00%
Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	1.00%
Asset allocation, target, equity securities	1.00%
Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	16.00%
Asset allocation, target, equity securities	16.00%
International equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	15.00%
Asset allocation, target, equity securities	16.00%
Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	49.00%
Asset allocation, target, equity securities	48.00%
High yield
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	2.00%
Asset allocation, target, equity securities	3.00%
Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	7.00%
Asset allocation, target, equity securities	6.00%
Real estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	5.00%
Asset allocation, target, equity securities	5.00%
Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets, equity securities	5.00%
Asset allocation, target, equity securities	5.00%
Minimum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Minimum | Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	8.00%
Minimum | International equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	8.00%
Minimum | Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	43.00%
Minimum | High yield
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Minimum | Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Minimum | Real estate
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Minimum | Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Maximum | Cash & cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	0.00%
Maximum | Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	24.00%
Maximum | International equities
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	24.00%
Maximum | Core fixed funds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	53.00%
Maximum | High yield
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	6.00%
Maximum | Alternative investments
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	12.00%
Maximum | Real estate
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	10.00%
Maximum | Real return bonds
Defined Benefit Plan Disclosure [Line Items]
Asset allocation, target, equity securities	12.00%