Credit Facilities and Short-term Borrowings (Short-term Borrowings and Availability Under Various Short-term Credit Facilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2014 Foreign Performance Guarantee Facilities [Member]	Sep. 30, 2014 Foreign Lines of Credit And Overdraft Facilities [Member]	Sep. 30, 2013 Domestic Line Of Credit [Member]	Sep. 30, 2014 Revolving Credit Facility [Member]	Sep. 30, 2014 Chinese Credit Facility [Member]
Total availability	$ 637,637	$ 9,678	$ 27,959	$ 200,000	$ 600,000	$ 22,700
Outstanding letters of credit and guarantees	(5,937)	(443)	(86)		(5,408)
Outstanding borrowings	210,000	0	0		210,000	0
Remaining availability	$ 421,699	$ 9,235	$ 27,872		$ 384,592