Pension Plans (Components Of Net Periodic Pension Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	$ 6,419	$ 7,903
Service cost	1,466	1,659
Settlement loss	66,332	0	$ 0
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	4,591	5,461	4,989
Service cost	0	0	0
Expected return on plan assets	(1,364)	(7,151)	(6,128)
Amortization of prior service cost	0	0	0
Recognized actuarial loss (gain)	2,577	2,213	3,152
Settlement loss	66,332	0	0
Net periodic pension cost	72,136	523	2,013
International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	1,828	2,442	2,384
Service cost	1,466	1,659	2,017
Expected return on plan assets	(3,364)	(2,506)	(2,126)
Amortization of prior service cost	(4)	(5)	(6)
Recognized actuarial loss (gain)	1,815	1,181	1,248
Settlement loss	0	0	0
Net periodic pension cost	$ 1,740	$ 2,771	$ 3,517