Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Sales	$ 1,373.5	$ 1,490.5	$ 1,493.6
Gross profit	312.3	336.8	293.9
Selling, general and administrative expenses	171.8	173.2	163.6
Operating earnings	140.5	163.6	130.3
Other expense (income):
Interest expense	71.2	68.4	62.5
Net earnings in equity investee	(1.4)	(0.7)	(1.0)
(Gain) loss on foreign exchange	(0.4)	13.0	(5.8)
Other, net	(0.1)	(1.7)	(3.0)
Earnings before income taxes	71.2	84.6	77.6
Income tax expense	11.7	22.1	8.8
Net earnings	$ 59.5	$ 62.5	$ 68.8
Basic net earnings per common share (in dollars per share)	$ 1.72	$ 1.82	$ 2.02
Diluted net earnings per common share (in dollars per share)	$ 1.72	$ 1.81	$ 2.02
Weighted-average common shares outstanding (in thousands):
Basic (in shares)	33,928	33,882	33,848
Diluted (in shares)	33,928	33,882	33,848
Shipping and handling cost
Cost of goods and services	$ 266.6	$ 312.5	$ 320.0
Product cost
Cost of goods and services	$ 794.6	$ 841.2	$ 879.7