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Note 14 - Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Net periodic Benefit Costs [Member]

Notes Tables

Schedule of Assumptions Used [Table Text Block]

		Y ear E nded December 31,
		201 5				201 4				201 3
Discount rate			3.99	%			5.01	%			4.14	%
Expected long-term rate of return on plan assets			6.75	%			6.88	%			6.95	%
Rate of compensation increase (1)			n/a				n/a				n/a

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		Year Ended December 31,
		2015				2014
Accumulated benefit obligation at end of period		$	63,894			$	68,376
Change in projected benefit obligation
Projected benefit obligation at beginning of period		$	68,376			$	52,825
Interest cost			2,681				2,591
Net actuarial loss (gain)			(5,254	)			14,791
Benefits paid			(1,909	)			(1,831	)
Projected benefit obligation at end of period		$	63,894			$	68,376
Change in plan assets
Fair value of plan assets at beginning of period		$	45,452			$	42,440
Actual return (loss) on plan assets			(384	)			3,110
Company contributions			826				1,733
Benefits paid			(1,909	)			(1,831	)
Fair value of plan assets at end of period		$	43,985			$	45,452
Funded status: accrued pension liability included in other long-term liabilities		$	(19,909	)		$	(22,924	)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss		$	(11,362	)		$	(13,243	)

Schedule of Net Benefit Costs [Table Text Block]

		Year E nded December 31,
		201 5				201 4				201 3
Components of net periodic pension (benefit) cost:
Interest cost		$	2,681			$	2,591			$	2,423
Expected return on plan assets			(3,041	)			(2,933	)			(2,520	)
Amortization of net loss			1,228				106				1,108
Net periodic pension (benefit) cost		$	868			$	(236	)		$	1,011

Schedule of Assumptions Used [Table Text Block]

		December 31,
		2015				2014
Discount rate – salaried pension plan			4.36	%			3.97	%
Discount rate – hourly pension plan			4.39	%			3.99	%
Rate of compensation increase (1)			n/a				n/a

Schedule of Allocation of Plan Assets [Table Text Block]

						December 31, 2015								December 31, 2014
Asset Category		Target				Dollars				%				Dollars				%
Fixed Income			20%			$	8,571				19	%		$	7,400				16	%
Domestic equity			49%				20,479				47	%			24,373				54	%
International equity			21%				9,687				22	%			8,869				19	%
Real estate			10%				5,248				12	%			4,810				11	%
Total			100%			$	43,985				100	%		$	45,452				100	%

Schedule of Fair Value of Plan Assets [Table Text Block]

		Total				Quoted Prices in Active Markets for Identical A sset (L evel 1)				Significant Observable I nputs (L evel 2)				Significant Unobservable I nputs (L evel 3)
Mutual funds		$	40,310			$	40,310			$	–			$	–
Other investments			3,675				–				–				3,675
Total		$	43,985			$	40,310			$	–			$	3,675

		Total				Quoted Prices in Active Markets for Identical A sset (L evel 1)				Significant O b servable I nputs (L evel 2)				Significant Unobservable I nputs (L evel 3)
Mutual funds		$	42,267			$	42,267			$	–			$	–
Other investments			3,185				–				–				3,185
Total		$	45,452			$	42,267			$	–			$	3,185

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

		2015				2014
Balance at beginning of period		$	3,185			$	–
Purchases			408				3,100
Realized gains			82				85
Balance at end of period		$	3,675			$	3,185

Schedule of Expected Benefit Payments [Table Text Block]

Year
2016					$	2,052
2017						2,231
2018						2,340
2019						2,424
2020						2,552
2021	–	2025				15,238

X

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