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Accrued Liabilities (Changes in Restructuring Reserve Activity) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Charges (reductions)	$ 19,040	$ 19,040
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period		507	$ 16,522
Charges (reductions)		19,040
Cash receipts (payments)		14,559	11,159
Foreign currency exchange rate changes		(10)
Restructuring charges, end of period	4,978	4,978	5,363
Employee Severance [Member] | Covid-19 Pandemic [Member]
Restructuring Cost and Reserve [Line Items]
Charges (reductions)		19,040
Cash receipts (payments)		14,052
Foreign currency exchange rate changes		(10)
Restructuring charges, end of period	$ 4,978	4,978
Employee Severance [Member] | Duarte Relocation Restructuring Charge Reserve
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period		440	12,504
Cash receipts (payments)		440	7,908
Restructuring charges, end of period			4,596
Employee Severance [Member] | Industrial Turbomachinery Business Realignment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period		67	4,018
Cash receipts (payments)		$ 67	3,251
Restructuring charges, end of period			$ 767

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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