Pension Plans (Fair Value Of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2012
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	$ 157,350		$ 138,193	$ 124,833
U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	112,859
International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	44,491
U.S. Treasury, Agency And Other Local Government And Non-Corporate [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	25,025
Corporate Investment Grade [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	87,538
Corporate High Yield [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	26
Government [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	4,910
Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	7,769
Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	22,746
Insurance Company Funds [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	8,235	[1]
Cash [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	270
Cash [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	831
Level 1 [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 1 [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	36,256
Level 1 [Member] | U.S. Treasury, Agency And Other Local Government And Non-Corporate [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 1 [Member] | Corporate Investment Grade [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 1 [Member] | Corporate High Yield [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 1 [Member] | Government [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	4,910
Level 1 [Member] | Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	7,769
Level 1 [Member] | Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	22,746
Level 1 [Member] | Insurance Company Funds [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[1]
Level 1 [Member] | Cash [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 1 [Member] | Cash [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	831
Level 2 [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	112,859
Level 2 [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	8,235
Level 2 [Member] | U.S. Treasury, Agency And Other Local Government And Non-Corporate [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	25,025
Level 2 [Member] | Corporate Investment Grade [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	87,538
Level 2 [Member] | Corporate High Yield [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	26
Level 2 [Member] | Government [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 2 [Member] | Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 2 [Member] | Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 2 [Member] | Insurance Company Funds [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	8,235	[1]
Level 2 [Member] | Cash [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	270
Level 2 [Member] | Cash [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | U.S. Treasury, Agency And Other Local Government And Non-Corporate [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Corporate Investment Grade [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Corporate High Yield [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Government [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Insurance Company Funds [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[1]
Level 3 [Member] | Cash [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0
Level 3 [Member] | Cash [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	$ 0

[1] These investments are comprised primarily of funds invested with an insurance company in Japan with a guaranteed rate of return. The insurance company invests these assets primarily in government and corporate bonds.