Short-term Debt and Credit Lines (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Short-term debt

Short-term debt at December 31, 2014 and 2013 consisted of:

	2014		2013
	(In thousands)
Notes payable to banks	$	5,977	$	4,795
Commercial paper	69,950		65,250
Total short-term debt	$	75,927	$	70,045