Pension Plans (Components Of Net Periodic Pension Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	$ 7,903	$ 7,373
Service cost	1,659	2,017
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	5,461	4,989	5,490
Service cost	0	0	0
Expected return on plan assets	(7,151)	(6,128)	(5,412)
Amortization of prior service cost	0	0	0
Recognized actuarial loss (gain)	2,213	3,152	2,967
Net periodic pension cost	523	2,013	3,045
International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	2,442	2,384	2,554
Service cost	1,659	2,017	1,882
Expected return on plan assets	(2,506)	(2,126)	(1,929)
Amortization of prior service cost	(5)	(6)	(7)
Recognized actuarial loss (gain)	1,181	1,248	341
Net periodic pension cost	$ 2,771	$ 3,517	$ 2,841