Commitments and Contingencies (Narrative) (Details)	May 01, 2007 Defendent	Mar. 31, 2023 USD ($)	Dec. 30, 2022 USD ($)	Sep. 09, 2022 USD ($)	Jun. 16, 2022 USD ($)	Sep. 28, 2021 USD ($)	Sep. 27, 2019 USD ($)	Aug. 07, 2018 USD ($)	Apr. 11, 2014 USD ($)
Loss Contingencies [Line Items]
Environmental liabilities		$ 36,500,000
Environmental liabilities, current		900,000
Environmental liabilities		35,600,000	$ 35,800,000
Debt Instrument, Face Amount		3,523,100,000	$ 3,534,100,000
Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Loss Contingency, Number of Defendants | Defendent	70
Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss							$ 1,380,000,000		$ 1,700,000,000
Loss Contingency, Settlement Agreement, Amount				$ 300,000				$ 280,600
Upper 9 Miles, Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		21,000,000				$ 441,000,000
Minimum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		18,100,000
Minimum | Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss									365,000,000
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 48,100,000
Maximum | Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss									$ 3,200,000,000
10.00% First Lien Senior Notes
Loss Contingencies [Line Items]
Debt Instrument, Face Amount					$ 495,000,000