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Note 7 - Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		Pension Plan								Postretirement Plan
		2014				2013				2014				2013
Accumulated benefit obligation at end of year		$	65,454			$	57,632			$	22,813			$	19,794
Change in benefit obligation:
Benefit obligation at beginning of year		$	70,635			$	81,148			$	19,794			$	23,794
Service cost			2,904				3,144				907				1,153
Interest cost			2,896				2,851				845				724
Settlement cost			-				191				-				-
Benefits paid			(3,584	)			(11,371	)			(1,736	)			(1,370	)
Effect of foreign exchange			-				-				(49	)			(68	)
Actuarial loss (gain)			7,219				(5,328	)			3,052				(4,439	)
Benefit obligation at end of year		$	80,069			$	70,635			$	22,813			$	19,794
Change in plan assets:
Fair value of plan assets at beginning of year		$	70,889			$	73,631			$	-			$	-
Actual return on plan assets			5,768				4,429				-				-
Employer contributions			2,500				4,200				1,736				1,370
Benefits paid			(3,584	)			(11,371	)			(1,736	)			(1,370	)
Fair value of plan assets at end of year			75,573				70,889				-				-
Funded status at end of year		$	(4,496	)		$	254			$	(22,813	)		$	(19,794	)
Amounts recognized in the Consolidated Balance Sheets consist of:
Noncurrent assets		$	-			$	254			$	-			$	-
Total assets		$	-			$	254			$	-			$	-
Current liabilities		$	-			$	-			$	(1,516	)		$	(1,401	)
Noncurrent liabilities			(4,496	)			-				(21,297	)			(18,393	)
Total liabilities		$	(4,496	)		$	-			$	(22,813	)		$	(19,794	)
Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss (gain)		$	28,836			$	24,295			$	(7,601	)		$	(11,871	)
Deferred tax (benefit) expense			(11,162	)			(9,496	)			2,915				4,471
After tax actuarial loss (gain)		$	17,674			$	14,799			$	(4,686	)		$	(7,400	)

Schedule of Net Benefit Costs [Table Text Block]

Components of net periodic benefit cost:
		2014				2013				2012
Pension Plan
Service cost		$	2,904			$	3,144			$	3,188
Interest cost			2,895				2,851				2,803
Expected return on plan assets			(4,755	)			(5,080	)			(4,591	)
Recognized actuarial loss			1,664				2,080				2,441
Settlement loss			-				4,169				2,935
Net periodic benefit cost		$	2,708			$	7,164			$	6,776
Other changes in pension plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	4,541			$	(10,734	)		$	1,371
Total expense (income) recognized in net periodic benefit cost and other comprehensive income		$	7,249			$	(3,570	)		$	8,147
Postretirement Plan
Service cost		$	907			$	1,153			$	1,156
Interest cost			845				724				871
Recognized actuarial gain			(1,181	)			(723	)			(647	)
Net periodic benefit cost		$	571			$	1,154			$	1,380
Other changes in post retirement plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	4,233			$	(3,717	)		$	(384	)
Total expense (income) recognized in net periodic benefit cost and other comprehensive income		$	4,804			$	(2,563	)		$	996

Schedule of Assumptions Used [Table Text Block]

		2014				2013				2014				2013
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate			3.45	%			4.30	%			3.60	%			4.50	%
Rate of compensation increase			3.50	%			3.50	%			—				—
Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate			4.30	%			4.30	%			4.50	%			3.20	%
Expected long term rate of return on plan assets			7.00	%			7.00	%			—				—
Rate of compensation increase			3.50	%			3.50	%			—				—

Schedule of Allocation of Plan Assets [Table Text Block]

2014			$			%
Level 1
Equity		$	17,819				23	%
Fixed Income			2,169				3	%
Mutual Funds			3,598				5	%
Money Fund and Cash			1,901				3	%
Total Level 1			25,487				34	%
Level 2
Fixed Income			47,716				63	%
Money Fund			2,362				3	%
Total Level 2			50,078				66	%
Level 3
Total Level 3			—				—
Total fair value Plan assets		$	75,565				100	%

2013			$			%
Level 1
Equity		$	21,795				23	%
Fixed Income			919				3	%
Mutual Funds			5,031				5	%
Money Fund and Cash			2,133				3	%
Total Level 1			29,878				34	%
Level 2
Fixed Income			35,540				63	%
Money Fund			5,471				3	%
Total Level 2			41,011				66	%
Level 3
Total Level 3			—				—
Total fair value Plan assets		$	70,889				100	%

Schedule of Expected Benefit Payments [Table Text Block]

		2015				2016				2017				2018				2019				Thereafter
Pension		$	5,095			$	5,319			$	7,044			$	6,089			$	6,366			$	30,780
Postretirement			1,543				1,576				1,612				1,695				1,781				8,957

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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