Segment Information (Reconciliation of Operating Profit from Segments to Consolidated) (Details) - Operating Income (Loss) [Member] $ in Thousands	3 Months Ended
	Dec. 31, 2016 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	$ 11,454
Space And Defense Controls
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	1,992
Industrial Systems
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated
Prior period reclassification adjustment	$ 9,462