Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Inventories

	2013			2012			2011
Percentage of total inventories on LIFO	75		%	75		%	77		%
Excess of FIFO over LIFO	$	337,214		$	357,303		$	378,986
Increase (decrease) in net income due to LIFO	12,299			13,365			(62,636		)
Increase (decrease) in net income per common share due to LIFO	.12			.13			(.59		)