Acquisitions & Divestitures (Details) - USD ($) $ in Thousands				12 Months Ended
	Apr. 02, 2017	Jan. 25, 2017	Dec. 03, 2015	Sep. 30, 2017
Space And Defense Controls
Business Acquisition
Consideration from business divestiture				$ 7,105
Percentage of Ownership Acquired			70.00%
Purchase Price Net of Acquired Cash			$ 22,765
Cash paid to acquire a business			11,016
Noncontrolling Interest, Redeemed Interest		30.00%
Cash Paid to Redeem Noncontrolling Interest		$ 1,656
Space And Defense Controls | Debt Issued
Business Acquisition
Liabilities Incurred in Business Combination			1,280
Space And Defense Controls | Debt Assumed
Business Acquisition
Liabilities Incurred in Business Combination			$ 10,469
Space And Defense Controls | Other Expense
Business Acquisition
Loss on Divestiture				$ 13,191
Components
Business Acquisition
Purchase Price Net of Acquired Cash	$ 42,593
Cash paid to acquire a business	40,545
Components | Pension Obligations
Business Acquisition
Liabilities Incurred in Business Combination	$ 2,048