EMPLOYEE BENEFITS (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Actual and Target Allocation of Plan Assets

The following is a summary of the pension plan’s actual and target asset allocations at December 31, 2013 and 2012, by asset category:

Pension Plan Assets									Target
	2013		% of Total		2012		% of Total		Allocation
Fixed maturity securities - corporate bonds	$	4,489	4.9	%	$	4,830	6.4	%	0	%	-	25	%
Redeemable preferred stock	1,381		1.5		1,113		1.5		0	%	-	20	%
Equity securities	39,481		42.8		41,091		54.6		50	%	-	70	%
Pooled separate accounts
Bond and mortgage separate account fund	5,657		6.1		—		—		0	%		40	%
U.S. property separate account fund	8,763		9.5		—		—		0	%		25	%
Arbitrage fund	5,516		6.0		5,363		7.1		0	%	-	15	%
United Life annuity	8,101		8.8		7,900		10.5		5	%	-	15	%
Cash and cash equivalents(1)	18,831		20.4		14,979		19.9		0	%	-	10	%
Total plan assets	$	92,219	100.0	%	$	75,276	100.0	%

Fair Value Measurement

The following tables present the categorization of the pension plan’s assets measured at fair value on a recurring basis at December 31, 2013 and 2012:

			Fair Value Measurements
Description	December 31, 2013		Level 1		Level 2		Level 3
Fixed maturity securities - corporate bonds	$	4,489	$	—	$	4,489	$	—
Redeemable preferred stock	1,381		1,381		—		—
Equity securities	39,481		39,481		—		—
Pooled separate accounts
Bond and mortgage separate account fund	5,657		—		5,657		—
U.S. property separate account fund	8,763		—		—		8,763
Arbitrage fund	5,516		—		5,516		—
Money market funds	17,323		17,323		—		—
Total assets measured at fair value	$	82,610	$	58,185	$	15,662	$	8,763

			Fair Value Measurements
Description	December 31, 2012		Level 1		Level 2		Level 3
Fixed maturity securities - corporate bonds	$	4,830	$	—	$	4,830	$	—
Redeemable preferred stock	1,113		1,113		—		—
Equity securities	41,091		41,091		—		—
Arbitrage fund	5,363		—		5,363		—
Money market funds	12,856		12,856		—		—
Total assets measured at fair value	$	65,253	$	55,060	$	10,193	$	—

Schedule of Changes in Fair Value of Pension Plan Assets

The following table provides a summary of the changes in fair value of the pension plan’s Level 3 securities for 2013:

	U.S. property separate account fund
Balance at January 1, 2013	$	—
Unrealized gains	763
Purchases	8,000
Balance at December 31, 2013	$	8,763

Schedule of Assumptions Used

The following actuarial assumptions were used at January 1 to determine our reported net periodic benefit costs for the year ended December 31:

Weighted-average assumptions as of	Pension Benefits						Postretirement Benefits
January 1,	2013		2012		2011		2013		2012		2011
Discount rate	4.00	%	4.50	%	5.50	%	4.00	%	4.50	%	5.50	%
Expected long-term rate of return on plan assets	7.50		8.00		8.25		N/A		N/A		N/A
Rate of compensation increase	3.50		3.75		4.00		N/A		N/A		N/A

The following actuarial assumptions were used to determine the reported plan benefit obligations at December 31:

Weighted-average assumptions as of	Pension Benefits				Postretirement Benefits
December 31,	2013		2012		2013		2012
Discount rate	4.84	%	4.00	%	4.84	%	4.00	%
Rate of compensation increase	3.50		3.50		N/A		N/A

Schedule of Health Care Cost Trend Rates

Assumed Health Care Cost Trend Rates

	Health Care Benefits				Dental Claims
Years Ended December 31,	2013		2012		2013		2012
Health care cost trend rates assumed for next year	7.00	%	10.00	%	4.00	%	5.25	%
Rate to which the health care trend rate is assumed to decline (ultimate trend rate)	4.50	%	5.25	%	N/A		N/A
Year that the rate reaches the ultimate trend rate	2019		2018		N/A		N/A

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A 1.0 percent change in assumed health care cost trend rates would have the following effects:

	1% Increase		1% Decrease
Effect on the net periodic postretirement health care benefit cost	$	1,287	$	(1,023	)
Effect on the accumulated postretirement benefit obligation	8,328		(6,782		)

Reconciliation of Benefit Obligations, Plan Assets, and Funded Status

The following table provides a reconciliation of benefit obligations, plan assets and funded status of our plans:

	Pension Benefits						Postretirement Benefits
Years Ended December 31,	2013			2012			2013			2012
Reconciliation of benefit obligation
Benefit obligation at beginning of year	$	131,382		$	111,340		$	44,395		$	36,334
Service cost	6,300			5,129			3,875			3,010
Interest cost	5,175			5,049			1,759			1,695
Actuarial (gain) loss	(15,161		)	12,841			(1,449		)	3,380
Benefit payments and adjustments	(4,344		)	(2,977		)	374			(24		)
Benefit obligation at end of year (1)	$	123,352		$	131,382		$	48,954		$	44,395
Reconciliation of fair value of plan assets
Fair value of plan assets at beginning of year	$	75,276		$	65,267		$	—		$	—
Actual return on plan assets	14,287			6,236			—			—
Employer contributions	7,000			6,750			374			24
Benefit payments and adjustments	(4,344		)	(2,977		)	(374		)	(24		)
Fair value of plan assets at end of year	$	92,219		$	75,276		$	—		$	—
Funded status at end of year	$	(31,133	)	$	(56,106	)	$	(48,954	)	$	(44,395	)

(1) For the pension plan, the benefit obligation is the projected benefit obligation. For the postretirement benefit plan, the benefit obligation is the accumulated postretirement benefit obligation.

Schedule of Amounts Recognized in AOCI

The following table displays the effect that the unrecognized prior service cost and unrecognized actuarial loss of our plans had on AOCI, as reported in the accompanying Consolidated Balance Sheets:

	Pension Benefits				Postretirement Benefits
Years Ended December 31	2013		2012		2013		2012
Amounts recognized in AOCI
Unrecognized prior service cost	$	—	$	—	$	—	$	—
Unrecognized actuarial loss	32,162		60,647		13,147		14,596
Total amounts recognized in AOCI	$	32,162	$	60,647	$	13,147	$	14,596

Net Periodic Benefit Cost

The components of the net periodic benefit cost for our pension and postretirement benefit plans are as follows:

	Pension Plan									Postretirement Benefit Plan
Years Ended December 31,	2013			2012			2011			2013		2012			2011
Net periodic benefit cost
Service cost	$	6,300		$	5,129		$	3,166		$	3,875	$	3,010		$	1,985
Interest cost	5,175			5,049			4,761			1,759		1,695			1,590
Expected return on plan assets	(5,772		)	(5,345		)	(5,288		)	—		—			—
Amortization of prior service cost	—			8			10			—		(6		)	(32		)
Amortization of net loss	4,989			4,415			2,368			879		554			224
Net periodic benefit cost	$	10,692		$	9,256		$	5,017		$	6,513	$	5,253		$	3,767

Projected Benefit Payments

The following table summarizes the expected benefits to be paid from our plans over the next 10 years:

	2014		2015		2016		2017		2018		2019 - 2023
Pension benefits	$	3,990	$	4,270	$	4,580	$	4,920	$	5,350	$	35,640
Postretirement benefits	$	1,130	$	1,250	$	1,380	$	1,540	$	1,750	$	13,360