v2.4.0.8

Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Changes In Benefit Obligations And Plan Assets

The following table presents the changes in benefit obligations and plan assets for pension benefits and other postretirement benefits for the years ended December 31, 2012 and 2013 (in thousands):

		Pension Benefits								Other Postretirement Benefits
		2012				2013				2012				2013
Change in benefit obligation:
Benefit obligation at beginning of year		$	113,914			$	142,703			$	23,786			$	13,195
Service cost		12,222				13,901				396				288
Interest cost		4,862				5,368				821				412
Plan participants’ contributions		—				—				221				248
Actuarial loss (gain)		15,975				(14,121		)		4,751				(2,675		)
Benefits paid		(4,270		)		(5,541		)		(760		)		(1,050		)
Plan amendment		—				—				(16,020		)		—
Benefit obligation at end of year		142,703				142,310				13,195				10,418
Change in plan assets:
Fair value of plan assets at beginning of year		70,052				87,106				—				—
Employer contributions		13,336				15,470				539				802
Plan participants’ contributions		—				—				221				248
Actual return on plan assets		7,988				3,521				—				—
Benefits paid		(4,270		)		(5,541		)		(760		)		(1,050		)
Fair value of plan assets at end of year		87,106				100,556				—				—
Funded status at end of year		$	(55,597	)		$	(41,754	)		$	(13,195	)		$	(10,418	)
Accumulated benefit obligation		$	101,233			$	103,466

Amounts Recognized In Consolidated Balance Sheets

Amounts recognized in the consolidated balance sheets included in these financial statements were as follows (in thousands):

		Pension Benefits								Other Postretirement Benefits
		2012				2013				2012				2013
Amounts recognized in consolidated balance sheet:
Current accrued benefit cost		$	—			$	—			$	(658	)		$	(535	)
Long-term pension and benefit cost		(55,597		)		(41,754		)		(12,537		)		(9,883		)
		(55,597		)		(41,754		)		(13,195		)		(10,418		)
Accumulated other comprehensive loss:
Net actuarial loss		51,899				36,151				11,418				7,708
Prior service cost (credit)		340				33				(14,473		)		(10,761		)
		52,239				36,184				(3,055		)		(3,053		)
Net amount recognized in consolidated balance sheet		$	(3,358	)		$	(5,570	)		$	(16,250	)		$	(13,471	)

Consolidated Net Periodic Benefit Costs

Net periodic benefit expense for the years ended December 31, 2011, 2012 and 2013 were as follows (in thousands):

		Pension Benefits												Other Postretirement Benefits
		2011				2012				2013				2011				2012				2013
Components of net periodic pension and postretirement benefit expense:
Service cost		$	9,628			$	12,222			$	13,901			$	430			$	396			$	288
Interest cost		4,343				4,862				5,368				999				821				412
Expected return on plan assets		(4,357		)		(5,066		)		(6,228		)		—				—				—
Amortization of prior service cost (credit)		307				307				307				(851		)		(1,971		)		(3,712		)
Amortization of actuarial loss		1,424				3,605				4,334				167				1,021				1,035
Settlement cost		70				—				—				—				—				—
Net periodic expense (credit)		$	11,415			$	15,930			$	17,682			$	745			$	267			$	(1,977	)

Other Changes In Plan Assets And Benefit Obligations Recognized In Other Comprehensive Loss

Other changes in plan assets and benefit obligations recognized in other comprehensive loss during 2012 and 2013 were as follows (in thousands):

		Pension Benefits								Other Postretirement Benefits
		2012				2013				2012				2013
Other changes in plan assets and benefit obligations recognized in other comprehensive loss:
Net actuarial loss (gain)		$	13,053			$	(11,414	)		$	4,751			$	(2,675	)
Plan amendment		—				—				(16,020		)		—
Amortization of actuarial loss		(3,605		)		(4,334		)		(1,021		)		(1,035		)
Amortization of prior service credit (cost)		(307		)		(307		)		1,971				3,712
Total recognized in other comprehensive loss		9,141				(16,055		)		(10,319		)		2
Net periodic expense (credit)		15,930				17,682				267				(1,977		)
Total recognized in net periodic benefit cost and other comprehensive loss		$	25,071			$	1,627			$	(10,052	)		$	(1,975	)

Weighted-Average Rate Assumptions Used For Benefit Obligations

The weighted-average rate assumptions used to determine benefit obligations as of December 31, 2012 and 2013 were as follows:

		Pension Benefits				Other Postretirement Benefits
		2012		2013		2012		2013
Discount rate—Salaried plan		4.00%		4.89%		n/a		n/a
Discount rate—USW plan		3.39%		4.26%		n/a		n/a
Discount rate—IUOE plan		3.99%		4.89%		n/a		n/a
Discount rate—Other Postretirement Benefits		n/a		n/a		3.58%		4.52%
Rate of compensation increase—Salaried plan		5.00%		5.00%		n/a		n/a
Rate of compensation increase—USW plan		3.50%		3.50%		n/a		n/a
Rate of compensation increase—IUOE plan		5.00%		5.00%		n/a		n/a

The weighted-average rate assumptions used to determine net pension and other postretirement benefit expense for the years ended December 31, 2011, 2012 and 2013 were as follows:

		Pension Benefits						Other Postretirement Benefits
		2011		2012		2013		2011		2012			2013
Discount rate—Salaried plan		5.54%		4.39%		4.00%		n/a		n/a			n/a
Discount rate—USW plan		5.07%		4.00%		3.39%		n/a		n/a			n/a
Discount rate—IUOE plan		5.52%		4.37%		3.99%		n/a		n/a			n/a
Discount rate—Other Postretirement Benefits		n/a		n/a		n/a		5.56%		3.75	%		3.58	%
Rate of compensation increase—Salaried plan		5.00%		5.00%		5.00%		n/a		n/a			n/a
Rate of compensation increase—USW plan		4.50%		3.50%		3.50%		n/a		n/a			n/a
Rate of compensation increase—IUOE plan		5.00%		5.00%		5.00%		n/a		n/a			n/a
Expected rate of return on plan assets—Salaried plan		6.80%		6.80%		6.80%		n/a		n/a			n/a
Expected rate of return on plan assets—USW plan		6.80%		6.80%		6.80%		n/a		n/a			n/a
Expected rate of return on plan assets—IUOE plan		3.25%		6.80%		6.80%		n/a		n/a			n/a

Changes In Assumed Health Care Cost Trend Rates

As of December 31, 2013, a 1.0% change in assumed health care cost trend rates would have the following effect (in thousands):

		1% Increase				1% Decrease
Change in total of service and interest cost components		$	39			$	35
Change in postretirement benefit obligation		$	533			$	486

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

The fair value of the pension plan assets at December 31, 2012 were as follows (in thousands):

Asset Category		Total				Quoted Prices in Active  Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Domestic Equity Securities(a):
Small-cap fund		$	1,726			$	1,726			$	—			$	—
Mid-cap fund		1,708				1,708				—				—
Large-cap fund		12,810				12,810				—				—
International equity fund		8,019				8,019				—				—
Fixed Income Securities(a):
Short-term bond funds		2,824				2,824				—				—
Intermediate-term bond funds		16,677				16,677				—				—
Long-term investment grade bond fund		40,370				40,370				—				—
Other:
Short-term investment fund		2,614				2,614				—				—
Group annuity contract		358				—				—				358
Fair value of plan assets		$	87,106			$	86,748			$	—			$	358

(a) We hold equity and fixed income securities through investments in mutual funds, which are dedicated to each category as indicated.

The fair value of the pension plan assets at December 31, 2013 were as follows (in thousands):

Asset Category		Total				Quoted Prices in Active  Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Domestic Equity Securities(a):
Small-cap fund		$	2,480			$	2,480			$	—			$	—
Mid-cap fund		2,465				2,465				—				—
Large-cap fund		18,642				18,642				—				—
International equity fund		11,793				11,793				—				—
Fixed Income Securities(a):
Short-term bond funds		3,243				3,243				—				—
Intermediate-term bond funds		12,492				12,492				—				—
Long-term investment grade bond funds		45,900				45,900				—				—
Other:
Short-term investment funds		3,244				3,244				—				—
Group annuity contract		297				—				—				297
Fair value of plan assets		$	100,556			$	100,259			$	—			$	297

(a) We hold equity and fixed income securities through investments in mutual funds, which are dedicated to each category as indicated.

Fair Value Of Annuity Contract With Unobservable Inputs

The fair value measurements for the group annuity contract which used significant unobservable inputs (Level 3) for the years ended December 31, 2012 and 2013 were as follows (in thousands):

	2012				2013
Beginning balance	$	400			$	358
Actual return on plan assets:
Relating to assets still held at the reporting date	16				(7		)
Purchases, issuances, sales and settlements:
Settlements	(58		)		(54		)
Ending balance	$	358			$	297

Fair Value Of Pension Plan Assets

The target allocation and actual weighted-average asset allocation percentages at December 31, 2012 and 2013 were as follows:

		2012				2013
		Actual(a)		Target		Actual(a)		Target
Equity securities		28%		30%		35%		30%
Debt securities		69%		67%		62%		67%
Other		3%		3%		3%		3%

(a) Cash contributions of $13.3 million and $15.5 million were made to the pension plans during 2012 and 2013, respectively. Amounts contributed in 2012 and 2013 in excess of benefit payments made were to be invested in debt and equity securities over a twelve-month period, with the amounts that remained uninvested as of December 31, 2012 and 2013 scheduled for investment in accordance with the target. Excluding these uninvested cash amounts, the actual allocation percentages at December 31, 2012 would have been 29% equity securities and 71% debt securities and at December 31, 2013, would have been 36% equity securities and 64% debt securities. In 2014, we will invest these uninvested cash amounts to bring the total asset allocation in line with the target allocation.

Expected Benefit Payments

As of December 31, 2013, the benefit amounts we expect to pay through December 31, 2023 were as follows (in thousands):

		Pension Benefits				Other Postretirement Benefits
2014		$	5,207			$	535
2015		$	5,507			$	590
2016		$	6,282			$	578
2017		$	9,267			$	627
2018		$	9,032			$	665
2019 through 2023		$	58,108			$	4,205

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