Borrowings

3 Months Ended

Mar. 31, 2012

Borrowings [Abstract]

Borrowings

6. Borrowings

Borrowings consist of the following:

	March 31, 2012			December 31, 2011
4.875% 10-year notes due October 15, 2015	$	299,293		$	299,244
5.45% 10-year notes due March 15, 2018		348,021			347,938
4.30% 10-year notes due March 1, 2021		449,767			449,761
6.60% 30-year notes due March 15, 2038		247,705			247,683
5.375% 30-year notes due March 1, 2041		345,392			345,352
6.65% 30-year debentures due June 1, 2028		199,422			199,414
5.375% 30-year debentures due October 15, 2035		296,247			296,208
Other		9,420			1,652
Total long-term debt		2,195,267			2,187,252
Less current installments		(3,510	)		(1,022	)
	$	2,191,757		$	2,186,230

The Company maintains a $1 billion unsecured revolving credit facility which expires in November 2016.  The Company primarily uses this facility as liquidity back-up for its commercial paper program and has not drawn down any loans under the $1 billion facility and does not anticipate doing so. The Company generally uses commercial paper borrowings for general corporate purposes, funding of acquisitions and the repurchases of its common stock.

Interest expense and interest income for the three months ended March 31, 2012 and 2011 was as follows:

	Three Months Ended March 31,
	2012			2011
Interest expense	$	31,645		$	31,036
Interest income		(1,618	)		(2,718	)
Interest expense, net	$	30,027		$	28,318