Commitments, Contingencies And Uncertainties Union Matters (Details)	9 Months Ended
	Sep. 30, 2019	Sep. 03, 2022	Sep. 03, 2021	Sep. 03, 2020	Sep. 03, 2019
Collective Bargaining Agreement [Line Items]
Entity Number of Employees	1,100
Number of Employees Cover by Collective Bargaining Agreements, Percentage	37.00%
Term of Collective Bargaining Agreement, Year	4 years
Pay increase, percentage					3.25%
Forecast
Collective Bargaining Agreement [Line Items]
Pay increase, percentage		3.20%	3.00%	3.00%