Pension Plans (Components Of Net Periodic Pension Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	$ 7,373	$ 8,044
Service cost	2,017	1,882
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	4,989	5,490	5,627
Service cost	0	0	0
Expected return on plan assets	(6,128)	(5,412)	(5,373)
Amortization of prior service cost	0	0	0
Recognized actuarial loss (gain)	3,152	2,967	2,549
Net periodic pension cost	2,013	3,045	2,803
International Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost of projected benefit obligation	2,384	2,554	2,382
Service cost	2,017	1,882	1,782
Expected return on plan assets	(2,126)	(1,929)	(2,254)
Amortization of prior service cost	(6)	(7)	0
Recognized actuarial loss (gain)	1,248	341	334
Net periodic pension cost	$ 3,517	$ 2,841	$ 2,244