Segment Information (Reconciliation of Operating Profit from Segments to Consolidated) (Details) - Operating Income (Loss) [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 01, 2017	Jul. 01, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	$ 12,039	$ 34,333
Space And Defense Controls
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	2,784	5,669
Industrial Systems
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	$ 9,255	$ 28,664