Notes Payable and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Notes Payable and Long-Term Debt

Summary of long-term debt

	December 31,
(Thousands of dollars)	2012			2011
Private placements:
6.21% senior notes, repaid in 2012	$	-		$	1,072
6.92% senior notes, repaid in 2012	-			31,000
Industrial Development Revenue Bonds, floating rates
(1.30% -1.76% at December 31, 2012) due 2013 through 2027	41,800			41,800
Foreign subsidiary obligation, 5.34%, due 2013 through 2021	102,600			81,318
Foreign subsidiary obligation, floating rate	182			206
Capital lease obligations and other	1,381			1,856
	145,963			157,252
Current maturities of long-term debt	(25,138		)	(40,885		)
Long-term debt, less current maturities	$	120,825		$	116,367