Retirement Benefits (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended					3 Months Ended		9 Months Ended
	Jun. 30, 2013 Pension Plans, Defined Benefit [Member]	Jun. 30, 2012 Pension Plans, Defined Benefit [Member]	Jun. 30, 2013 Pension Plans, Defined Benefit [Member]	Jun. 30, 2012 Pension Plans, Defined Benefit [Member]	Jun. 30, 2013 United States Pension Plans of US Entity, Defined Benefit [Member]	Jun. 30, 2012 United States Pension Plans of US Entity, Defined Benefit [Member]	Jun. 30, 2013 United States Pension Plans of US Entity, Defined Benefit [Member]	Jun. 30, 2012 United States Pension Plans of US Entity, Defined Benefit [Member]	Jun. 30, 2013 Foreign Pension Plans, Defined Benefit [Member]	Jun. 30, 2012 Foreign Pension Plans, Defined Benefit [Member]	Jun. 30, 2013 Foreign Pension Plans, Defined Benefit [Member]	Jun. 30, 2012 Foreign Pension Plans, Defined Benefit [Member]	Jun. 30, 2013 Other Postretirement Benefit Plans, Defined Benefit [Member]	Jun. 30, 2012 Other Postretirement Benefit Plans, Defined Benefit [Member]	Jun. 30, 2013 Other Postretirement Benefit Plans, Defined Benefit [Member]	Jun. 30, 2012 Other Postretirement Benefit Plans, Defined Benefit [Member]	Jun. 30, 2013 Business Acquisition, Acquiree - Duarte Business [Member] United States Pension Plans of US Entity, Defined Benefit [Member]	Jun. 30, 2013 Total stockholders equity	Jun. 30, 2012 Total stockholders equity	Mar. 31, 2013 Treasury Stock at Cost [Member]	Mar. 31, 2012 Treasury Stock at Cost [Member]	Jun. 30, 2013 Treasury Stock at Cost [Member]	Jun. 30, 2012 Treasury Stock at Cost [Member]
Contributions paid	$ 1,989	$ 607	$ 7,246	$ 3,239	$ 1,550	$ 150	$ 4,550	$ 450	$ 439	$ 457	$ 2,696	$ 2,789					$ 50
Net periodic retirement pension (beneift) cost	1,227	1,106	3,383	3,322	983	735	2,615	2,203	244	371	768	1,119	272	351	817	1,056	167
Value of Company Stock Contributed to Defined Contribution Benefit Plans																		$ 9,780	$ 9,335	$ 9,780	$ 9,335	$ 7,857	$ 4,097
Treasury Stock Issued During Period, Shares, Employee Benefit Plans																				250	209	250	209