Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Information

Schedule of sales, by products or services

	2019		2018		2017
Carbon steel	52	%	53	%	52	%
Aluminum	19	%	19	%	19	%
Stainless steel	14	%	14	%	14	%
Alloy	6	%	6	%	6	%
Toll processing and logistics	4	%	4	%	4	%
Other	5	%	4	%	5	%
Total	100	%	100	%	100	%

Summary of the Company's operations by geographic location based on where sales originated from

	United States		Foreign Countries		Total
	(in millions)
Year Ended December 31, 2019:
Net sales	$	10,099.2	$	874.6	$	10,973.8
Long-lived assets		4,776.7		344.2		5,120.9
Year Ended December 31, 2018:
Net sales		10,638.4		896.1		11,534.5
Long-lived assets		4,431.8		328.1		4,759.9
Year Ended December 31, 2017:
Net sales		8,847.3		873.7		9,721.0
Long-lived assets		4,353.7		346.0		4,699.7