Segment Information (Tables)

12 Months Ended

Sep. 30, 2018

Segment, Reporting Information [Line Items]

Consolidated Net Sales and Earnings by Segment

	Year Ended September 30,
	2018		2017		2016
Segment external net sales:
Aerospace	$	1,557,988	$	1,342,339	$	1,233,176
Industrial		767,885		756,346		789,902
Total consolidated net sales	$	2,325,873	$	2,098,685	$	2,023,078
Segment earnings:
Aerospace	$	301,803	$	257,813	$	232,166
Industrial		47,938		78,991		82,237
Nonsegment expenses (1)		(100,067)		(58,352)		(63,166)
Interest expense, net		(30,096)		(25,705)		(24,751)
Consolidated earnings before income taxes	$	219,578	$	252,747	$	226,486

(1) Nonsegment expenses for the fiscal year ended September 30, 2018 includes restructuring charges of $17,013.  See Note 14, Accrued liabilities for further details.

Consolidated Total Assets, Depreciation and Amortization, and Capital Expenditures by Segment

	Year Ended September 30,
	2018		2017		2016
Segment assets:
Aerospace	$	1,805,892	$	1,722,789	$	1,637,522
Industrial		1,642,462		695,264		705,169
Unallocated corporate property, plant and equipment, net		102,083		104,755		89,988
Other unallocated assets		240,212		234,301		209,683
Consolidated total assets	$	3,790,649	$	2,757,109	$	2,642,362
Segment depreciation and amortization:
Aerospace	$	54,828	$	47,277	$	40,825
Industrial		51,695		24,421		20,412
Unallocated corporate amounts		9,608		9,219		7,799
Consolidated depreciation and amortization	$	116,131	$	80,917	$	69,036
Segment capital expenditures:
Aerospace	$	98,358	$	62,812	$	90,749
Industrial		17,109		12,189		62,065
Unallocated corporate amounts		11,673		17,335		22,878
Consolidated capital expenditures	$	127,140	$	92,336	$	175,692

External Net Sales by Geographical Area

	Year Ended September 30,
	2018		2017		2016
United States	$	1,350,708	$	1,211,902	$	1,118,833
Germany		230,834		173,180		200,545
Europe (1)		323,109		305,545		337,356
Asia		283,031		288,252		228,683
Other countries		138,191		119,806		137,661
Consolidated net sales	$	2,325,873	$	2,098,685	$	2,023,078

(1)Includes all European countries other than Germany.

Property, Plant, and Equipment - Net by Geographical Area

	At September 30,
	2018		2017
United States	$	922,734	$	872,947
Germany		111,595		24,541
Other countries		25,676		24,555
Consolidated property, plant and equipment, net	$	1,060,005	$	922,043

U.S. Government Related [Member]

Segment, Reporting Information [Line Items]

U.S. Government Related Sales by Segment

	Direct U.S. Government Sales		Indirect U.S. Government Sales		Total U.S. Government Related Sales
Fiscal year ended September 30, 2018
Aerospace	$	84,252	$	429,386	$	513,638
Industrial		2,547		8,658		11,205
Total net external sales	$	86,799	$	438,044	$	524,843
Percentage of total net sales		4%		19%		23%
Fiscal year ended September 30, 2017
Aerospace	$	106,685	$	362,536	$	469,221
Industrial		3,726		10,814		14,540
Total net external sales	$	110,411	$	373,350	$	483,761
Percentage of total net sales		5%		18%		23%
Fiscal year ended September 30, 2016
Aerospace	$	103,026	$	310,952	$	413,978
Industrial		6,550		9,845		16,395
Total net external sales	$	109,576	$	320,797	$	430,373
Percentage of total net sales		5%		16%		21%