Retirement Benefits (Schedule of Future Postretirement Company Contributions) (Details) (USD $) In Thousands	Sep. 30, 2011
United States Pension Plans of US Entity, Defined Benefit [Member]
Company contributions in fiscal 2012	$ 600
United Kingdom Plan, Defined Benefit [Member]
Company contributions in fiscal 2012	1,787
Japan Plan, Defined Benefit [Member]
Company contributions in fiscal 2012	1,382
Switzerland Plan, Defined Benefit [Member]
Company contributions in fiscal 2012	191
Other Postretirement Benefit Plans, Defined Benefit [Member]
Company contributions in fiscal 2012	4,493
2013	4,763
2014	4,911
2015	4,834
2016	4,841
2017 - 2021	$ 21,991

The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

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The employer's estimate, of the aggregate contributions expected to be paid to the plan after year five. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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The employer's estimate, of contributions expected to be paid to the plan in year five. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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The employer's estimate, of contributions expected to be paid to the plan in year four. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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The employer's estimate, of contributions expected to be paid to the plan in year three. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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The employer's estimate, of contributions expected to be paid to the plan in year two. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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