Geographic Information (Tables)

12 Months Ended

Dec. 31, 2022

Segments Geographical Areas [Abstract]

Net Sales and Property and Equipment by Geographical Information

	Years ended December 31,
	2020		2021		2022
	(In millions)
Net sales - point of origin:
United States	$	978.8	$	1,052.1	$	1,226.6
Germany		836.0		971.7		895.4
Canada		319.5		371.9		389.4
Belgium		249.5		295.7		306.5
Norway		211.8		257.2		273.5
Eliminations		(956.8)		(1,009.2)		(1,161.2)
Total	$	1,638.8	$	1,939.4	$	1,930.2
Net sales - point of destination:
Europe	$	783.2	$	945.0	$	878.3
North America		569.3		645.7		695.7
Other		286.3		348.7		356.2
Total	$	1,638.8	$	1,939.4	$	1,930.2

	December 31,
	2021		2022
	(In millions)
Identifiable assets - net property and equipment:
Germany	$	207.3	$	198.5
Belgium		106.9		100.8
Canada		90.5		87.8
Norway		85.2		82.7
Other		13.5		14.7
Total	$	503.4	$	484.5