Borrowings and Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2011

Borrowings and Lines of Credit [Abstract]

Borrowings

Borrowings at December 31, 2011 and 2010 consist of the following:

	December 31, 2011			December 31, 2010
6.50% 10-year notes due February 15, 2011	$	-		$	399,986
4.875% 10-year notes due October 15, 2015		299,244			299,047
5.45% 10-year notes due March 15, 2018		347,938			347,608
4.30% 10-year notes due March 1, 2021		449,761			-
6.60% 30-year notes due March 15, 2038		247,683			247,595
5.375% 30-year notes due March 1, 2041		345,352			-
6.65% 30-year debentures due June 1, 2028		199,414			199,379
5.375% 30-year debentures due October 15, 2035		296,208			296,048
Other, including commercial paper		1,652			17,813
Total long-term debt		2,187,252			1,807,476
Less current portion		(1,022	)		(16,590	)
	$	2,186,230		$	1,790,886

Scheduled maturities

Scheduled maturities of long-term debt for the years ending December 31 are as follows:

2012	$	1,022
2013		511
2014		12
2015		299,248
2016 and thereafter		1,886,459

Interest expense and interest income

Interest expense and interest income for the years ended December 31, 2011, 2010 and 2009 was as follows:

	Years ended December 31,
	2011		2010		2009
Interest expense	$	124,878	$	115,388	$	116,159
Interest income		9,282		8,966		15,687
Interest expense, net	$	115,596	$	106,422	$	100,472