Goodwill (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended		36 Months Ended	12 Months Ended				3 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2014 Aerospace [Member]	Sep. 30, 2013 Aerospace [Member]	Sep. 30, 2014 Energy [Member]	Sep. 30, 2013 Energy [Member]	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Dec. 31, 2012 Business Acquisition, Acquiree - Duarte Business [Member] Aerospace [Member]
Goodwill addition		$ 0	$ 98,310,000		$ 0	$ 98,310,000	$ 0	$ 0			$ 98,310,000
Impairment	$ 0			$ 0
Weighted average cost of capital assumption									8.93%	11.04%
Assumed annual compound growth rate after five or ten years	4.20%