Condensed Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Condensed Consolidated Statements of Earnings
Net sales	$ 652,811	$ 470,148
Costs and expenses:
Cost of goods sold	492,174	347,627
Selling, general and administrative expenses	51,927	46,459
Research and development costs	38,867	34,786
Interest expense	11,878	8,872
Interest income	(371)	(363)
Other expense (income), net (Note 17)	(3,179)	(4,720)
Total costs and expenses	591,296	432,661
Earnings before income taxes	61,515	37,487
Income tax expense	12,395	19,227
Net earnings	$ 49,120	$ 18,260
Earnings per share (Note 4):
Basic earnings per share	$ 0.79	$ 0.30
Diluted earnings per share	$ 0.77	$ 0.29
Weighted Average Common Shares Outstanding (Note 4):
Basic	61,818	61,246
Diluted	64,059	63,709