Retirement Benefits (Schedule of Amounts Expected to be Amortized from Accumulated Other Comprehensive Income (Loss) and Reported as a Component of Net Periodic Benefit Cost During the Next Fiscal Year) (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2015 USD ($)
Pension Plans, Defined Benefit [Member]
Prior service (benefit) cost	$ 383
Net actuarial (gains) losses	1,555
United States Pension Plans of US Entity, Defined Benefit [Member]
Prior service (benefit) cost	383
Net actuarial (gains) losses	1,292
Foreign Pension Plans, Defined Benefit [Member]
Prior service (benefit) cost	0
Net actuarial (gains) losses	$ 263