Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Composition of Inventories

The composition of inventories at June 30, 2017, and December 31, 2016, was as follows: 

(In thousands)	June 30, 2017		December 31, 2016
Finished goods	$	110,366	$	127,597
Raw materials		68,006		46,066
Total inventories	$	178,372	$	173,663