Short-term Debt and Credit Lines (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Short-term debt

Short-term debt at December 31, 2015 and 2014 consisted of:

	2015		2014
	(In thousands)
Notes payable to banks	$	5,860	$	5,977
Commercial paper	65,500		69,950
Total short-term debt	$	71,360	$	75,927