Inventories:

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Inventories [Text Block]

Inventories

    Inventories are stated at the lower of cost or net realizable value with cost determined using the first-in, first-out method. Inventory costs consist of those costs directly attributable to products prior to sale including among other things raw material, labor and overhead. Inventories consisted of the following (in thousands): 

	June 30, 2021		December 31, 2020
Raw materials	$	119,424	$	126,499
Work in process	37,571		33,053
Finished goods	142,615		155,376
Total inventories	$	299,610	$	314,928