Other Financial Data (Charged To Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Salaries and wages (including fringes)	$ 152,853	$ 158,333	$ 151,805
Maintenance and repairs	4,700	4,638	4,368
Total R&D	23,504	28,466	27,718
Other engineering costs	13,899	12,484	7,715
Total R&D and other engineering costs	$ 37,403	$ 40,950	$ 35,433
As a % of net sales	7.00%	7.70%	7.20%
Company-Sponsored [Member]
Total R&D	$ 16,728	$ 16,880	$ 12,704
Customer-Sponsored [Member]
Total R&D	$ 6,776	$ 11,586	$ 15,014