Borrowings (Tables)

6 Months Ended

Jun. 30, 2011

Borrowings [Abstract]

Schedule of maturities of long-term debt

7. Borrowings

Borrowings consist of the following:

	June 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		299,145			299,047
5.45% 10-year notes due March 15, 2018		347,773			347,608
4.30% 10-year notes due March 1, 2021		449,748			-
6.60% 30-year notes due March 15, 2038		247,639			247,595
5.375% 30-year notes due March 1, 2041		345,272			-
6.65% 30-year debentures due June 1, 2028		199,396			199,379
5.375% 30-year debentures due October 15, 2035		296,128			296,048
Other		2,885			3,148
Total long-term debt		2,187,986			1,792,811
Less current installments		(1,748	)		(1,925	)
	$	2,186,238		$	1,790,886