Pension Plans (Fair Value Of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2011
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	$ 138,193		$ 124,833	$ 110,781
U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	94,831
International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	43,362
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	15,690
Mortgage-Backed [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	10,179
Corporate Investment Grade [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	9,254
Corporate High Yield [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	941
Large Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	37,567
Small Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	9,553
U.S. Real Estate Investment Trusts [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	77
Large/Mid Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	11,294
Small Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	110
Emerging Large/Mid Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	83
Commodities [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	83
Government [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	6,455
Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	5,390
Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	21,952
Insurance Company Funds [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	8,429	[1]
Cash [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	1,136
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	34,933
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] | Mortgage-Backed [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] | Large Capitalization Stocks [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] | Small Capitalization Stocks [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] | U.S. Real Estate Investment Trusts [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] | Large/Mid Capitalization Stocks [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] | Small Capitalization Stocks [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] | Emerging Large/Mid Capitalization Stocks [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] | Commodities [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	6,455
Level 1 [Member] | Europe Corporate Investment Grade [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	5,390
Level 1 [Member] | Europe Large Capitalization Stocks [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	21,952
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] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	1,136
Level 2 [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	94,831
Level 2 [Member] | International Plan Assets [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	8,429
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	15,690
Level 2 [Member] | Mortgage-Backed [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	10,179
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	9,254
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	941
Level 2 [Member] | Large Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	37,567
Level 2 [Member] | Small Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	9,553
Level 2 [Member] | U.S. Real Estate Investment Trusts [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	77
Level 2 [Member] | Large/Mid Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	11,294
Level 2 [Member] | Small Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	110
Level 2 [Member] | Emerging Large/Mid Capitalization Stocks [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	83
Level 2 [Member] | Commodities [Member] | U.S. Plan Assets Common Collective Trusts [Member]
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	83
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	8,429	[1]
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] | Mortgage-Backed [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] | Large Capitalization Stocks [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] | Small Capitalization Stocks [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] | U.S. Real Estate Investment Trusts [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] | Large/Mid Capitalization Stocks [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] | Small Capitalization Stocks [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] | Emerging Large/Mid Capitalization Stocks [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] | Commodities [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] | 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.