Pension Plans (Percentage Of Total Plan Assets) (Details) - Foreign Plan [Member] - Pension Plan [Member]	Sep. 30, 2018	Sep. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Asset Category	100.00%	100.00%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Category	35.00%	23.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Category	46.00%	57.00%
Commodity Option [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Category	1.00%	6.00%
Insurance Company [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Category	12.00%	12.00%
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Category	6.00%	2.00%