Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Composition of Inventories

The composition of inventories at September 30, 2018, and December 31, 2017, was as follows: 

(In thousands)	September 30, 2018		December 31, 2017
Finished goods	$	136,717	$	117,529
Raw materials		58,452		55,219
Total inventories	$	195,169	$	172,748