Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements of Earnings
Net sales	$ 2,325,873	$ 2,098,685	$ 2,023,078
Costs and expenses:
Cost of goods sold	1,719,675	1,526,126	1,483,960
Selling, general and administrative expenses	192,757	176,633	174,017
Research and development costs	148,279	126,519	126,170
Restructuring Charges	17,013
Interest expense	31,770	27,430	26,776
Interest income	(1,674)	(1,725)	(2,025)
Other expense (income), net (Note 17)	(1,525)	(9,045)	(12,306)
Total costs and expenses	2,106,295	1,845,938	1,796,592
Earnings before income taxes	219,578	252,747	226,486
Income tax expense	39,200	52,240	45,648
Net earnings	$ 180,378	$ 200,507	$ 180,838
Earnings per share (Note 3):
Basic earnings per share	$ 2.93	$ 3.27	$ 2.92
Diluted earnings per share	$ 2.82	$ 3.16	$ 2.85
Weighted Average Common Shares Outstanding (Note 3):
Basic	61,493	61,366	61,893
Diluted	63,876	63,512	63,556