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Segment Information (Consolidated Net Sales and Earnings by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2018	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 588,117	$ 548,622		$ 1,606,514	$ 1,491,897
Interest expense, net	(7,536)	(6,411)		(20,139)	(19,162)
Consolidated earnings before income taxes	54,417	68,687		140,551	165,982
Restructuring Costs			$ 17,013	17,013
Aerospace [Member]
Segment Reporting Information [Line Items]
Net sales	404,612	355,992		1,096,860	943,198
Segment earnings (loss)	82,199	67,173		198,721	172,277
Industrial [Member]
Segment Reporting Information [Line Items]
Net sales	183,505	192,630		509,654	548,699
Segment earnings (loss)	10,450	20,870		40,031	55,957
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Segment earnings (loss)	$ (30,696)	$ (12,945)		$ (78,062)	$ (43,090)

X

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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-Publisher FASB
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