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Revenue (Schedule of Revenue Recognition Time) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 652,811	$ 470,148
Point In Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	336,176
Over Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	316,635
Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	392,887
Aerospace [Member] | Point In Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	164,014
Aerospace [Member] | Over Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	228,873
Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	259,924
Industrial [Member] | Point In Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	172,162
Industrial [Member] | Over Time [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 87,762

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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