Short-term Debt and Credit Lines (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Short-term debt

Short-term debt at December 31, 2012 and 2011 consisted of:

	2012		2011
	(In thousands)
Notes payable to banks	$	3,300	$	1,790
Commercial paper	63,430		—
Total short-term debt	$	66,730	$	1,790