Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net sales	$ 1,030,384	$ 1,027,131
Cost of goods sold	845,286	861,134
Gross profit	185,098	165,997
Selling, general and administrative expenses	89,863	77,662
Rationalization charges	2,799	6,083
Other pension and postretirement income	(9,705)	(4,490)
Income before interest and income taxes	102,141	86,742
Interest and other debt expense before loss on early extinguishment of debt	23,489	27,103
Loss on early extinguishment of debt	1,481	0
Interest and other debt expense	24,970	27,103
Income before income taxes	77,171	59,639
Provision for income taxes	19,571	12,897
Net income	$ 57,600	$ 46,742
Earnings per share
Basic net income per share (usd per share)	$ 0.52	$ 0.42
Diluted net income per share (usd per share)	$ 0.52	$ 0.42
Weighted average number of shares
Basic (in shares)	110,862	110,709
Effect of dilutive securities (in shares)	570	883
Diluted (in shares)	111,432	111,592