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Note D - Pension And Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2013

Pension and Other Postretirement Benefits Disclosure [Text Block]

Schedule of Costs of Retirement Plans [Table Text Block]

		Pension Benefits								Postretirement Benefits
(Thousands of dollars)		Three Months Ended June 30,								Three Months Ended June 30,
		2013				2012				2013				2012
Service cost		$	811			$	797			$	289			$	289
Interest cost			697				701				181				217
Expected return on plan assets			(1,306	)			(1,147	)			-				-
Recognized actuarial loss (gain)			532				610				(180	)			(162	)
Settlement loss			1,601				-				-				-
Net periodic benefit cost		$	2,335			$	961			$	290			$	344

		Pension Benefits								Postretirement Benefits
(Thousands of dollars)		Six Months Ended June 30,								Six Months Ended June 30,
		2013				2012				2013				2012
Service cost		$	1,660			$	1,594			$	577			$	578
Interest cost			1,363				1,402				363				435
Expected return on plan assets			(2,599	)			(2,295	)			-				-
Recognized actuarial loss (gain)			1,144				1,220				(361	)			(324	)
Settlement loss			2,987				-				-				-
Net periodic benefit cost		$	4,555			$	1,921			$	579			$	689