Inventories	12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]
Inventories	Inventories Inventory costs are determined using the LIFO method for substantially all U.S. inventories. The current cost of the U.S. inventories under the FIFO method was $409,034 and $361,779 at December 31, 2016 and 2015, respectively. These FIFO values have been reduced by approximately $85,113 and $73,123 at December 31, 2016 and 2015, respectively, to arrive at the LIFO value reported on the Consolidated Balance Sheets. The remaining inventories have been valued under the FIFO or average cost methods. All inventories are stated at the lower of cost or market.

Inventories

12 Months Ended

Dec. 31, 2016

Inventory costs are determined using the LIFO method for substantially all U.S. inventories. The current cost of the U.S. inventories under the FIFO method was $409,034 and $361,779 at December 31, 2016 and 2015, respectively. These FIFO values have been reduced by approximately $85,113 and $73,123 at December 31, 2016 and 2015, respectively, to arrive at the LIFO value reported on the Consolidated Balance Sheets. The remaining inventories have been valued under the FIFO or average cost methods. All inventories are stated at the lower of cost or market.