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Inventories (Schedule of Inventories) (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Sep. 30, 2021
Inventory Net [Abstract]
Raw materials		$ 122,584	$ 107,412
Work in progress		125,392	95,846
Component parts	[1]	323,564	260,244
Finished goods		76,846	63,109
Customer supplied inventory		12,657	14,169
On-hand inventory for which control has transferred to the customer		(157,379)	(120,809)
Inventory, net		$ 503,664	$ 419,971
[1] Component parts include items that can be sold separately as finished goods or included in the manufacture of other products.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of component parts, which includes items that can be sold separately as finished goods or included in the manufacture of other products.

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On hand inventory held by the Company for which control of the inventory has passed to the customer.

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