Note 9 - Postretirement Medical Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2012		2011		2012		2011
Service cost	$	155	$	108	$	463	$	324
Interest cost		152		152		456		454
Amortization of transition obligation		24		24		76		76
Recognized prior service cost		65		65		193		193
Recognized net actuarial loss		14		-		42		-
Net periodic benefit cost	$	410	$	349	$	1,230	$	1,047