Business, Product and Geographical Area Information (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Schedule of 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):

	Quarter Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Net sales:
Aero/HS Products	$	226.1	$	225.1	$	446.6	$	439.1
Packaging		312.4		354.7		610.5		708.9
GE Products		162.6		159.4		315.6		321.5
Automotive Extrusions		69.7		68.4		133.2		139.2
Other products		2.6		6.5		5.0		13.0
Total net sales	$	773.4	$	814.1	$	1,510.9	$	1,621.7
Timing of revenue recognition:
Products transferred at a point in time	$	591.8	$	622.6	$	1,161.2	$	1,247.4
Products transferred over time		181.6		191.5		349.7		374.3
Total net sales	$	773.4	$	814.1	$	1,510.9	$	1,621.7

Schedule of Income Taxes Paid by Geographical Area

The following table presents geographic information for income taxes paid (in millions of dollars):

	Quarter Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Income taxes paid:
Domestic	$	0.2	$	0.2	$	0.2	$	0.3
Foreign		0.6		—		2.2		0.2
Total income taxes paid	$	0.8	$	0.2	$	2.4	$	0.5