Retirement Benefits (Schedule of Net Perioodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Plans, Defined Benefit [Member]
Service cost	$ 1,135	$ 1,527	$ 3,400	$ 4,284
Interest cost	2,218	1,911	6,631	5,768
Expected return on plan assets	(3,213)	(2,685)	(9,607)	(8,102)
Amortization of: Net actuarial (gain) loss	249	457	738	1,383
Amortization of: Prior service cost (benefit)	18	17	53	50
Curtailment (gain) loss	(915)	0	(915)	0
Net periodic retirement pension (beneift) cost	(508)	1,227	300	3,383
Contributions paid	276	1,989	2,743	7,246
United States Pension Plans of US Entity, Defined Benefit [Member]
Service cost	872	1,273	2,616	3,487
Interest cost	1,602	1,393	4,815	4,177
Expected return on plan assets	(2,432)	(2,046)	(7,299)	(6,136)
Amortization of: Net actuarial (gain) loss	83	344	248	1,031
Amortization of: Prior service cost (benefit)	19	19	56	56
Curtailment (gain) loss	0	0	0	0
Net periodic retirement pension (beneift) cost	144	983	436	2,615
Contributions paid	100	1,550	400	4,550
Foreign Pension Plans, Defined Benefit [Member]
Service cost	263	254	784	797
Interest cost	616	518	1,816	1,591
Expected return on plan assets	(781)	(639)	(2,308)	(1,966)
Amortization of: Net actuarial (gain) loss	166	113	490	352
Amortization of: Prior service cost (benefit)	(1)	(2)	(3)	(6)
Curtailment (gain) loss	(915)	0	(915)	0
Net periodic retirement pension (beneift) cost	(652)	244	(136)	768
Contributions paid	176	439	2,343	2,696
Other Postretirement Benefit Plans, Defined Benefit [Member]
Service cost	11	18	35	54
Interest cost	358	311	1,074	933
Amortization of: Net actuarial (gain) loss	(50)	(17)	(150)	(51)
Amortization of: Prior service cost (benefit)	(40)	(40)	(119)	(119)
Net periodic retirement pension (beneift) cost	279	272	840	817
Contributions paid	$ 481	$ 490	$ 1,849	$ 1,833