Note 9 - Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	December 31,
	2013			2012
Changes in benefit obligation
Benefit obligation at beginning of year	$	27,819,000		$	23,897,000
Service cost		364,000			595,000
Interest cost		1,016,000			1,023,000
Actuarial (gain) loss		(2,810,000	)		3,469,000
Curtailment gain		(1,990,000	)		-
Benefits paid		(2,766,000	)		(1,165,000	)
Benefit obligation at end of year		21,633,000			27,819,000
Changes in plan assets
Fair value of plan assets at beginning of year		17,351,000			15,811,000
Actual return on assets		2,431,000			2,155,000
Employer contributions		1,000,000			550,000
Benefits paid		(2,766,000	)		(1,165,000	)
Fair value of plan assets at end of year		18,016,000			17,351,000
Funded status at end of year	$	(3,617,000	)	$	(10,468,000	)
Amounts recognized in consolidated balance sheet
Long-term pension liability	$	(3,617,000	)	$	(10,468,000	)
Amounts recognized in accumulated other comprehensive income consist of:
Net actuarial loss	$	4,903,000		$	12,223,000
Prior service cost		-			13,000
	$	4,903,000		$	12,236,000

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

Information for pension plans with projected benefit obligation in excess of plan assets
	December 31,
	2013			2012
Projected benefit obligation	$	21,633,000		$	27,819,000
Fair value of plan assets		(18,016,000	)		(17,351,000	)
	$	3,617,000		$	10,468,000

Schedule of Net Benefit Costs [Table Text Block]

Components of net periodic benefit cost
Net periodic benefits cost	2013			2012
Service cost - benefits earned during the period	$	364,000		$	595,000
Interest cost on projected benefit obligation		1,016,000			1,023,000
Expected return on plan assets		(1,325,000	)		(1,270,000	)
Amortization of prior service cost		13,000			17,000
Recognized actuarial loss		938,000			957,000
Settlement loss		476,000			-
Net periodic pension cost after settlements	$	1,482,000		$	1,322,000

Schedule of Assumptions Used [Table Text Block]

	Discount Rate						Long Term Rate of Return						Salary Scale
	Corp.			Plants			Corp.			Plants			Corp.			Plants
2012		3.93	%		3.77	%		8.00	%		8.00	%		3.00	%	N/A
2013		4.82	%		4.66	%		8.00	%		8.00	%		0.00	%	N/A

	Discount Rate						Long Term Rate of Return						Salary Scale
	Corp.			Plants			Corp.			Plants			Corp.			Plants
2012		4.35	%		4.23	%		8.00	%		8.00	%		3.50	%	N/A
2013		3.93	%		3.77	%		8.00	%		8.00	%		3.00	%	N/A

Schedule of Allocation of Plan Assets [Table Text Block]

	Percentage of Plan Assets at December 31,							Target Allocation
	2013			2012			2014
Investment description
Equity securities		59	%		73	%		62	%
Fixed income		16	%		22	%		18	%
Other		25	%		5	%		20	%
Total		100	%		100	%		100	%

Schedule of Expected Benefit Payments [Table Text Block]

Year	Projected Benefit Payments
2014	$	1,301,000
2015	$	2,616,000
2016	$	2,218,000
2017	$	2,281,000
2018	$	1,483,000
2019-2023	$	10,384,000