Business, Product and Geographical Area Information and Concentration of Risk (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Net Sales by End Market Segment Applications

The following table presents Net sales by end market applications and by timing of control transfer (in millions of dollars):

	Year Ended December 31,
	2023		2022		2021
Net sales:
Aero/HS products	$	899.3	$	676.1	$	533.7
Packaging		1,315.2		1,585.3		1,119.3
GE products		596.5		883.8		706.1
Automotive Extrusions		254.9		254.8		225.0
Other products		21.1		27.9		37.9
Total net sales	$	3,087.0	$	3,427.9	$	2,622.0
Timing of revenue recognition:
Products transferred at a point in time	$	2,394.8	$	2,782.9	$	2,067.9
Products transferred over time		692.2		645.0		554.1
Total net sales	$	3,087.0	$	3,427.9	$	2,622.0

Schedule of Net Sales, Income Taxes Paid, and Long-lived Assets, by Geographical Area

The following table presents geographic information for net sales based on country of origin, income taxes paid, and long-lived assets (in millions of dollars):

	Year Ended December 31,
	2023		2022		2021
Net sales to unaffiliated customers:
Domestic	$	2,986.0	$	3,328.2	$	2,545.0
Foreign1		101.0		99.7		77.0
Total net sales	$	3,087.0	$	3,427.9	$	2,622.0
Income taxes paid:
Domestic	$	0.3	$	3.1	$	4.5
Foreign		0.2		3.2		1.1
Total income taxes paid	$	0.5	$	6.3	$	5.6

	As of December 31,
	2023		2022		2021
Long-lived assets:2
Domestic	$	1,025.3	$	984.8	$	925.3
Foreign1		26.8		28.4		29.9
Total long-lived assets	$	1,052.1	$	1,013.2	$	955.2

1.Foreign reflects our London, Ontario production facility.

2.Long-lived assets represent Property, plant and equipment, net.

Schedule of Export Sales and Primary Aluminum Supply from Major Suppliers

The following table presents information about export sales and primary aluminum supply from our major suppliers:

	Year Ended December 31,
	2023			2022			2021
Percentage of Net sales:
Export sales		10	%		10	%		10	%
Percentage of total annual primary aluminum supply (lbs):
Supply from our top five major suppliers		83	%		81	%		78	%
Supply from our largest supplier		37	%		48	%		47	%
Supply from our second and third largest suppliers combined		28	%		20	%		20	%