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EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2011

Defined Benefit Pension Plan

	Defined Benefit Pension Plan						Unfunded Excess Benefit Plan

	2011			2010			2011			2010
	(Dollars In Thousands)
Accumulated benefit obligation, end of year	$	186,300		$	154,113		$	33,675		$	30,195

Change in projected benefit obligation:
Benefit obligation at beginning of year	$	165,704		$	147,373		$	31,592		$	29,508
Service cost		8,682			7,423			679			584
Interest cost		8,938			8,091			1,506			1,545
Amendments		94			—			3			—
Actuarial (gain) or loss		23,859			7,890			4,187			1,444
Special termination benefits		—			—			—			—
Benefits paid		(8,115	)		(5,073	)		(1,711	)		(1,489	)

Benefit obligation at end of year		199,162			165,704			36,256			31,592

Change in plan assets:
Fair value of plan assets at beginning of year		117,856			102,276			—			—
Actual return on plan assets		2,874			12,355			—			—
Employer contributions⁽¹⁾		12,443			8,298			1,711			1,489
Benefits paid		(8,115	)		(5,073	)		(1,711	)		(1,489	)

Fair value of plan assets at end of year		125,058			117,856			—			—

After reflecting FASB guidance:
Funded status		(74,104	)		(47,848	)		(36,256	)		(31,592	)

Amounts recognized in the balance sheet:
Other assets		—			—			—			—
Other liabilities		(74,104	)		(47,848	)		(36,256	)		(31,592	)

Amounts recognized in accumulated other comprehensive income:
Net actuarial loss		91,804			66,422			11,924			8,618
Prior service cost/(credit)		(2,208	)		(2,694	)		60			69

Net transition asset	$	89,596		$	63,728		$	11,984		$	8,687

⁽¹⁾: Employer contributions disclosed are based on the Company's fiscal filing year.

	Defined Benefit Pension Plan						Unfunded Excess Benefit Plan

	2011			2010			2011			2010
Discount rate		4.62	%		5.30	%		4.07	%		4.79	%
Rate of compensation increase		2.5 - 3.0			2.5 - 3.0			3.5 - 4.0			3.5 - 4.0
Expected long-term return on plan assets		7.75			7.75			N/A			N/A

	Defined Benefit Pension Plan									Unfunded Excess Benefit Plan

	2011			2010			2009			2011			2010			2009
Discount rate		5.30	%		5.57	%		6.30	%		4.79	%		5.40	%		6.30	%
Rates of compensation increase		2.5 - 3.0			0 - 3.75			3.75			3.5 - 4.0			0 - 4.75			4.75
Expected long-term return on plan assets		7.75			8.00			8.00			N/A			N/A			N/A

	Defined Benefit Pension Plan									Unfunded Excess Benefit Plan

	2011			2010			2009			2011		2010		2009
	(Dollars In Thousands)
Service cost—benefits earned during the period	$	8,682		$	7,423		$	6,834		$	679	$	584	$	556
Interest cost on projected benefit obligation		8,938			8,091			7,847			1,506		1,545		1,701
Expected return on plan assets		(10,021	)		(9,349	)		(9,569	)		—		—		—
Amortization of prior service cost/(credit)		(392	)		(403	)		(403	)		12		12		12
Amortization of actuarial losses⁽¹⁾		5,625			3,905			2,017			881		653		458

Total benefit cost	$	12,832		$	9,667		$	6,726		$	3,078	$	2,794	$	2,727

⁽¹⁾: 2011 average remaining service period used is 8.29 years and 7.51 years for the defined benefit pension plan and unfunded excess benefit plan, respectively.

	Defined Benefit Pension Plan			Unfunded Excess Benefit Plan

	(Dollars In Thousands)
Net actuarial loss	$	7,594		$	1,104
Prior service cost/(credit)		(392	)		12
Transition obligation		—			—

	As of December 31,

Asset Category	2011		2010
	(Dollars In Thousands)
Cash and cash equivalents	$	1,004	$	2,072
Equity securities:
Russell 3000 Equity Index Fund		52,792		54,737
Spartan U.S. Equity Index Fund		29,735		21,644
Fixed income		41,527		39,403

Total investments		125,058		117,856
Employer contribution receivable		2,270		1,598

Total	$	127,328	$	119,454

	Level 1		Level 2		Level 3		Total

	(Dollars In Thousands)
Collective short-term investment fund	$	—	$	1,004	$	—	$	1,004
Collective investment funds		—		82,527		—		82,527
Group deposit administration annuity contract		—		—		41,527		41,527

Total investments	$	—	$	83,531	$	41,527	$	125,058

	Level 1		Level 2		Level 3		Total

	(Dollars In Thousands)
Collective short-term investment fund	$	—	$	2,072	$	—	$	2,072
Collective investment funds		—		76,381		—		76,381
Group deposit administration annuity contract		—		—		39,403		39,403

Total investments	$	—	$	78,453	$	39,403	$	117,856

	As of December 31,

	2011		2010
	(Dollars In Thousands)
Balance, beginning of year	$	39,403	$	34,892
Interest income		2,124		1,947
Transfers from collective short-term investments fund		—		5,000
Transfers to collective short-term investments fund		—		(2,436	)

Balance, end of year	$	41,527	$	39,403

Years	Defined Benefit Pension Plan		Unfunded Excess Benefits Plan

	(Dollars In Thousands)
2012	$	8,770	$	2,984
2013		9,698		2,888
2014		9,448		2,880
2015		10,083		2,923
2016		11,420		3,152
2017-2021		67,686		14,888

Retiree medical plan

	As of December 31,

	2011			2010
	(Dollars In Thousands)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	1,309		$	1,659
Service cost		9			15
Interest cost		28			50
Amendments		(29	)		—
Actuarial (gain) or loss		(297	)		(238	)
Plan participant contributions		255			272
Benefits paid		(326	)		(449	)
Special termination benefits		—			—

Benefit obligation, end of year	$	949		$	1,309

Group life insurance plan

	As of December 31,

	2011			2010
	(Dollars In Thousands)
Change in Benefit Obligation
Benefit obligation, beginning of year	$	7,955		$	7,337
Service cost		118			110
Interest cost		416			413
Amendments		—			22
Actuarial (gain) or loss		816			387
Plan participant contributions		—			—
Benefits paid		(354	)		(314	)
Special termination benefits		—			—

Benefit obligation, end of year	$	8,951		$	7,955