Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Defined Benefit Plan Disclosure [Line Items]

Schedule of Funded Status of the Company's Benefit Plans

A summary of the funded status of the Company’s benefit plans at December 31, 2012 and 2011 is as follows:

	Pension Plans						Postretirement Plans
	December 31, 2012			December 31, 2011			December 31, 2012		December 31, 2011
Change in benefit obligation
Benefit obligation, beginning of year	$	249,234		$	257,245		$	—	$	1,040
Interest cost	10,693			12,707			—		26
Actuarial loss (gain)	27,928			11,269			—		(727		)
Benefits paid	(13,500		)	(7,769		)	—		(339		)
Plan settlements	(18,478		)	(24,218		)	—		—
Benefit obligation, end of year	$	255,877		$	249,234		$	—	$	—
Change in plan assets
Fair value of plan assets, beginning of year	$	174,358		$	187,327		$	—	$	—
Return on plan assets	20,342			1,689			—		—
Employer contributions	15,251			17,329			—		339
Benefits paid	(13,500		)	(7,769		)	—		(339		)
Plan settlements	(18,478		)	(24,218		)	—		—
Fair value of plan assets, end of year	$	177,973		$	174,358		$	—	$	—
Funded status at end of year	$	(77,904	)	$	(74,876	)	$	—	$	—

Schedule of Amounts Recognized in Balance Sheet

Net amounts recognized in the Company’s consolidated balance sheet at December 31, 2012 and 2011 were as follows:

	Pension Plans						Postretirement Plans
	December 31, 2012			December 31, 2011			December 31, 2012		December 31, 2011
Current liabilities	$	(496	)	$	(541	)	$	—	$	—
Non-current liabilities	(77,408		)	(74,335		)	—		—
Net amount recognized	$	(77,904	)	$	(74,876	)	$	—	$	—

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive loss for the Company at December 31, 2012 and 2011 consist of the following:

	Pension Plans				Postretirement Plans
	December 31, 2012		December 31, 2011		December 31, 2012		December 31, 2011
Net actuarial loss	$	16,402	$	21,330	$	—	$	1,111

Schedule of Assumptions Used

The following assumptions were used in determining the benefit obligations for the Company's pension plans and postretirement plans for the years ended December 31, 2012 and 2011.

	Years Ended December 31,
	2012	2011
Weighted average discount rates:
Dex One Retirement Plan	3.64%	4.51%
Dex One Postretirement Plan	—%	—%
Dex Media Pension Plan	3.65%	4.38%
Dex Media Postretirement Plan	—%	4.95%

The following assumptions were used in determining the Company’s net periodic benefit expense (income) for the Dex One Retirement Plan and Dex Media Pension Plan:

	Dex One Retirement Plan			Dex Media Pension Plan
	Years Ended December 31,		Eleven Months Ended December 31, 2010	May 1, 2012 through December 31, 2012	January 1, 2012 through April 30, 2012	June 1, 2011 through December 31, 2011	January 1, 2011 through May 31, 2011	Eleven Months Ended December 31, 2010
	2012	2011
Weighted average discount rate	4.51%	5.30%	5.70%	4.22%	4.38%	4.95%	5.06%	5.70%
Expected return on plan assets	7.50%	8.00%	8.00%	7.50%	7.50%	8.00%	8.00%	8.00%

The following assumptions were used in determining the Predecessor Company’s net periodic benefit income for the Dex One Retirement Plan and Dex Media Pension Plan:

	Dex One Retirement Plan	Dex Media Pension Plan
	One Month Ended January 31, 2010
Weighted average discount rate	5.70%	5.70%
Expected return on plan assets	8.00%	8.00%

The following assumptions were used in determining the Company’s net periodic benefit income for the Dex One postretirement plan and Dex Media postretirement plan:

	Dex One Postretirement Plan			Dex Media Postretirement Plan
	Years Ended December 31,		Eleven Months Ended December 31, 2010	Years Ended December 31,		Eleven Months Ended December 31, 2010
	2012	2011		2012	2011
Weighted average discount rate	—%	—%	5.70%	—%	5.06%	5.70%

The following assumptions were used in determining the Predecessor Company’s net periodic benefit income for the Dex One postretirement plan and Dex Media postretirement plan:

	Dex One Postretirement Plan	Dex Media Postretirement Plan
	One Month Ended January 31, 2010
Weighted average discount rate	5.70%	5.70%

Schedule of Allocation of Plan Assets

The fair value of the assets held in the Master Trust at December 31, 2012 and 2011, by asset category, is as follows:

	Fair Value Measurements at December 31, 2012
			Quoted Prices in Active Markets for Identical Assets		Using Significant Other Observable Inputs
	Total		(Level 1)		(Level 2)
Cash and cash equivalents	$	1,450	$	1,450	$	—
U.S. Government securities (a)	23,309		—		23,309
Common/collective trusts (b)	62,031		—		62,031
Corporate debt (c)	17,806		—		17,806
Corporate stock (d)	17,234		17,234		—
Registered investment companies (e)	21,298		21,298		—
Fixed income and equity futures (g)	1,005		1,005		—
Credit default swaps (h)	12		—		12
Collective Fund - Group Trust (i)	33,828		—		33,828
Total	$	177,973	$	40,987	$	136,986

	Fair Value Measurements at December 31, 2011
			Quoted Prices in Active Markets for Identical Assets		Using Significant Other Observable Inputs
	Total		(Level 1)		(Level 2)
Cash and cash equivalents	$	15	$	15	$	—
U.S. Government securities (a)	18,686		—		18,686
Common/collective trusts (b)	66,188		—		66,188
Corporate debt (c)	21,146		—		21,146
Corporate stock (d)	18,476		18,476		—
Registered investment companies (e)	19,631		19,631		—
Real estate investment trust (f)	127		127		—
Fixed income and equity futures (g)	1,066		1,066		—
Credit default swaps (h)	95		—		95
Collective Fund - Group Trust (i)	28,928		—		28,928
Total	$	174,358	$	39,315	$	135,043

(a) This category includes investments in U.S. Government bonds, government mortgage-backed securities, index-linked government bonds, guaranteed commercial paper, short-term treasury bills and notes. Fair value for these assets is determined using a bid evaluation process of observable, market based inputs effective as of the last business day of the plan year.

(b) This category includes investments in two common/collective funds of which 78% is invested in stocks comprising the Russell 1000 equity index and the remaining 22% is comprised of short-term investments at December 31, 2012 and 82% is invested in stocks comprising the Russell 1000 equity index and the remaining 18% is comprised of short-term investments at December 31, 2011. Fair value for these assets is calculated based upon a compilation of observable market information.

(c) This category includes investments in corporate bonds, commercial mortgage-backed and asset-backed securities and collateralized mortgage obligations. Fair value for these assets is determined using a bid evaluation process of observable, market based inputs effective as of the last business day of the plan year.

(d) This category includes investments in small cap stocks across diverse industries. Fair value for these assets is determined using quoted market prices on a recognized securities exchange at the last reported trading price on the last business day of the plan year.

(e) This category is comprised of one mutual fund that invests in intermediate term fixed income instruments such as treasuries and high grade corporate bonds. Fair value for these assets is determined using quoted market prices on a recognized securities exchange at the last reported trading price on the last business day of the plan year.

(f) This category is comprised of a healthcare real estate investment trust. Fair value for these assets is determined based on traded market prices.

(g) This category includes investments in 5, 10 and 20 year U.S. Treasury bond futures and equity index futures. Fair value for these assets is determined based on settlement prices recognized in an active market or exchange.

(h) This category includes investments in credit default swaps. Fair value for these assets is determined based on a mid evaluation process using observable, market based inputs.

(i) This category includes investments in passively managed funds composed of international stocks across diverse industries. Fair value for these assets is calculated based upon a compilation of observable market information.

Schedule of Defined Benefit Plan Assets Actual and Target Allocations

The Company's pension plan weighted-average asset allocation in the Master Trust at December 31, 2012 and 2011 by asset category on a weighted average basis, is as follows:

	December 31, 2012		December 31, 2011
	Plan Assets	Asset Allocation Target	Plan Assets	Asset Allocation Target
Equity securities	63%	65%	65%	65%
Debt securities	37%	35%	35%	35%
Total	100%	100%	100%	100%

Schedule of Expected Benefit Payments

The Company’s pension plans' benefits expected to be paid in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter are as follows:

	Pension Plans
2013	$	16,847
2014	17,020
2015	16,444
2016	17,100
2017	16,023
Years 2018-2022	78,371

Pension Plans

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Expense (Income)

The net periodic benefit expense (income) of the Company’s pension plans for the years ended December 31, 2012 and 2011 and eleven months ended December 31, 2010 and the Predecessor Company’s pension plans for the one month ended January 31, 2010 was as follows:

	Successor Company									Predecessor Company
	Years Ended December 31,						Eleven Months Ended December 31, 2010			One Month Ended January 31, 2010
	2012			2011
Interest cost	$	10,693		$	12,707		$	12,432		$	1,124
Expected return on plan assets	(13,419		)	(14,500		)	(12,201		)	(1,385		)
Settlement loss	3,746			2,748			17			—
Amortization of unrecognized prior service cost	—			—			—			81
Curtailment gain	—			—			(3,754		)	—
Amortization of unrecognized net loss	856			2			—			122
Net periodic benefit expense (income)	$	1,876		$	957		$	(3,506	)	$	(58	)

Postretirement Plans

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Expense (Income)

The net periodic benefit income of the Company’s postretirement plans for the years ended December 31, 2012 and 2011 and eleven months ended December 31, 2010 and the Predecessor Company’s postretirement plans for the one month ended January 31, 2010 was as follows:

	Successor Company								Predecessor Company
	Years Ended December 31,					Eleven Months Ended December 31, 2010			One Month Ended January 31, 2010
	2012		2011
Interest cost	$	—	$	26		$	107		$	10
Amortization of unrecognized net gain	—		(1,111		)	(291		)	(21		)
Net periodic benefit income	$	—	$	(1,085	)	$	(184	)	$	(11	)