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Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

6.

INVENTORIES

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

 

(In thousands)

 

March 31, 2018

 

 

December 31, 2017

 

Finished goods

 

$

128,474

 

 

$

117,529

 

Raw materials

 

 

59,263

 

 

 

55,219

 

Total inventories

 

$

187,737

 

 

$

172,748

 

 

Inventories are priced primarily using the last-in, first-out inventory valuation method.  If the first-in, first-out inventory valuation method had been used for all inventories, inventory balances would have been approximately $35,145,000 and $33,518,000 higher than reported at March 31, 2018, and December 31, 2017, respectively.