Note 10 - Retirement and Postretirement Plans (Tables)

12 Months Ended

Dec. 31, 2014

Note 10 - Retirement and Postretirement Plans (Tables) [Line Items]

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

	Pension Benefits						Other Benefits
(In thousands)	2014			2013			2014			2013
Change in benefit obligation:
Benefit obligation at beginning of year	$	488,229		$	14,941		$	24,747		$	-
Merger transactions		146,403			473,296			-			24,847
Service cost		170			170			81			11
Interest cost		22,324			3,312			1,076			134
Participant contributions		-			-			180			23
Plan settlements		(70,612	)		-			-			-
Actuarial loss (gain)		61,484			(430	)		2,077			(174	)
Benefit payments		(26,175	)		(3,060	)		(1,777	)		(94	)
Benefit obligation at end of year	$	621,823		$	488,229		$	26,384		$	24,747

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

	Pension Benefits						Other Benefits
(In thousands)	2014			2013			2014			2013
Change in plan assets:
Fair value of plan assets at beginning of year	$	352,226		$	8,960		$	-		$	-
Merger transactions		115,556			326,667			-			-
Actual return on plan assets		16,712			13,434			-			-
Plan settlements		(70,612	)		-
Employer contributions		49,879			6,225			1,597			71
Participant contributions		-			-			180			23
Benefit payments		(26,175	)		(3,060	)		(1,777	)		(94	)
Fair value of plan assets at end of year	$	437,586		$	352,226		$	-		$	-

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	2014
(In thousands)	Total		Level 1		Level 2
U.S. Small/Mid Cap Equity	$	30,169	$	22,343	$	7,826
U.S. Large Cap Equity		155,492		121,046		34,446
International/Global Equity		70,618		50,037		20,581
Fixed Income		167,211		120,522		46,689
REIT		5,192		-		5,192
Cash		8,904		8,904		-
Total assets	$	437,586	$	322,852	$	114,734

	2013
(In thousands)	Total		Level 1		Level 2
U.S. Small/Mid Cap Equity	$	40,339	$	25,256	$	15,083
U.S. Large Cap Equity		143,209		58,650		84,559
International/Global Equity		68,263		17,054		51,209
Fixed Income		87,266		66,215		21,051
Cash		13,149		13,149		-
Total assets	$	352,226	$	180,324	$	171,902

Schedule of Allocation of Plan Assets [Table Text Block]

	Asset allocation Range			Percentage of Plan Assets at Year End
Asset Category	2015			2014			2013
Equity securities		60	%		59	%		71	%
Fixed income securities/cash		40	%		40	%		29	%
Other					1	%		0	%
Total					100	%		100	%

Schedule of Net Funded Status [Table Text Block]

	Pension Benefits						Other Benefits
(In thousands)	2014			2013			2014			2013
Amounts recorded in the balance sheet:
Current liabilities	$	(4,175	)	$	(3,373	)	$	(2,148	)	$	(2,068	)
Noncurrent liabilities		(180,062	)		(132,630	)		(24,236	)		(22,679	)
Funded Status	$	(184,237	)	$	(136,003	)	$	(26,384	)	$	(24,747	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Pension Benefits			Other Benefits
(In thousands)	Net Actuarial Gain/(Loss)			Net Actuarial Gain/(Loss)
December 31, 2011	$	(850	)	$	-
Actuarial loss		(818	)		-
December 31, 2012	$	(1,668	)	$	-
Actuarial gain		10,389			174
December 31, 2013	$	8,721		$	174
Actuarial loss		(64,103	)		(2,077	)
December 31, 2014	$	(55,382	)	$	(1,903	)

Schedule of Expected Benefit Payments [Table Text Block]

(In thousands)	Pension Benefits		Other Benefits
Employer Contributions
2015 to participant benefits	$	9,334	$	2,148
Expected Benefit Payments
2015		33,953		2,148
2016		33,856		2,148
2017		33,868		2,128
2018		33,985		2,110
2019		35,416		2,083
2020-2024		176,772		9,937

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits									Other Benefits
(In thousands)	2014			2013			2012			2014		2013
Service cost	$	170		$	170		$	150		$	81	$	11
Interest cost		28,147			3,312			615			1,076		134
Expected return on plan assets		(33,973	)		(3,509	)		(588	)		-		-
Settlement loss recognized		7,744			-			-			-		-
Amortization of net loss		1,098			35			-			-		-
Net periodic benefit cost	$	3,186		$	8		$	177		$	1,157	$	145

Projected Benefit Obligations [Member]

Note 10 - Retirement and Postretirement Plans (Tables) [Line Items]

Schedule of Assumptions Used [Table Text Block]

	Pension Benefits						Other Benefits
	2014			2013			2014			2013
Discount rate		3.80	%		4.65	%		3.65	%		4.40	%
Compensation increase rate		-			-			3.00	%		3.00	%

Net Periodic Pension Costs [Member]

Note 10 - Retirement and Postretirement Plans (Tables) [Line Items]

Schedule of Assumptions Used [Table Text Block]

	Pension Benefits									Other Benefits
	2014			2013			2012			2014			2013
Discount rate		4.65	%		4.62	%		4.55	%		4.40	%		4.35	%
Expected return on plan assets		7.50	%		7.50	%		7.50	%		-			-
Compensation increase rate		-			-			-			3.00	%		3.00	%