Borrowings (Tables)

9 Months Ended

Sep. 30, 2011

Borrowings [Abstract]

Schedule of maturities of long-term debt

Borrowings consist of the following:

	September 30, 2011			December 31, 2010
6.50% 10-year notes due February 15, 2011	$	-		$	399,986
4.875% 10-year notes due October 15, 2015		299,195			299,047
5.45% 10-year notes due March 15, 2018		347,856			347,608
4.30% 10-year notes due March 1, 2021		449,754			-
6.60% 30-year notes due March 15, 2038		247,661			247,595
5.375% 30-year notes due March 1, 2041		345,312			-
6.65% 30-year debentures due June 1, 2028		199,405			199,379
5.375% 30-year debentures due October 15, 2035		296,168			296,048
Other		1,680			2,813
Total long-term debt		2,187,031			1,792,476
Less current installments		(559	)		(1,590	)
	$	2,186,472		$	1,790,886