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Segment Information (Consolidated Net Sales and Earnings by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Net sales | $ 548,622 | $ 507,664 | $ 1,491,897 | $ 1,432,156
Interest expense, net | (6,411) | (5,912) | (19,162) | (18,166)
Consolidated earnings before income taxes | 68,687 | 63,408 | 165,982 | 145,730
Aerospace [Member] |  |  |  |
Net sales | 355,992 | 308,582 | 943,198 | 867,871
Segment earnings (loss) | 67,173 | 57,726 | 172,277 | 151,790
Industrial [Member] |  |  |  |
Net sales | 192,630 | 199,082 | 548,699 | 564,285
Segment earnings (loss) | 20,870 | 21,963 | 55,957 | 62,983
Unallocated Corporate [Member] |  |  |  |
Segment earnings (loss) | $ (12,945) | $ (10,369) | $ (43,090) | $ (50,877)

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