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Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]  
Changes In The Projected Benefit Obligation, The Fair Value Of Plan Assets And The Determination Of The Amounts Recognized
(Dollars in thousands)
 
Qualified Pension Plans
 
Non-Qualified Pension Plans
 
 
2012
 
2011
 
2012
 
2011
Change in projected benefit obligation:
 
 
 
 
 
 
 
 
Projected benefit obligation at beginning of year
 
$
1,526,136

 
$
1,314,650

 
$
76,229

 
$
69,934

Interest cost on projected benefit obligation
 
70,168

 
71,308

 
3,438

 
3,787

Plan amendments
 
44,961

 
—

 
109

 
—

Actuarial loss
 
85,755

 
183,293

 
3,574

 
7,587

Benefits paid
 
(46,417
)
 
(43,115
)
 
(5,132
)
 
(5,079
)
Projected and accumulated benefit obligation
 
 
 
 
 
 
 
 
at end of year
 
$
1,680,603

 
$
1,526,136

 
$
78,218

 
$
76,229

Change in plan assets:
 
 
 
 
 
 
 
 
Fair value of plan assets at beginning of year
 
$
1,105,370

 
$
1,073,213

 
$
—

 
$
—

Actual return on plan assets
 
170,886

 
12,657

 
—

 
—

Con-way contributions
 
51,422

 
62,615

 
5,132

 
5,079

Benefits paid
 
(46,417
)
 
(43,115
)
 
(5,132
)
 
(5,079
)
Fair value of plan assets at end of year
 
$
1,281,261

 
$
1,105,370

 
$
—

 
$
—

Funded status of the plans
 
$
(399,342
)
 
$
(420,766
)
 
$
(78,218
)
 
$
(76,229
)
Amounts recognized in the balance sheet consist of:
 
 
 
 
 
 
 
 
Current liabilities
 
$
—

 
$
—

 
$
(5,135
)
 
$
(5,051
)
Long-term liabilities
 
(399,342
)
 
(420,766
)
 
(73,083
)
 
(71,178
)
Net amount recognized
 
$
(399,342
)
 
$
(420,766
)
 
$
(78,218
)
 
$
(76,229
)
Plans with a projected and accumulated benefit obligation
 
 
 
 
 
 
 
 
in excess of plan assets:
 
 
 
 
 
 
 
 
Projected and accumulated benefit obligation
 
$
1,657,701

 
$
1,503,510

 
$
78,218

 
$
76,229

Fair value of plan assets
 
1,247,409

 
1,074,284

 
—

 
—

Weighted-average assumptions as of December 31:
 
 
 
 
 
 
 
 
Discount rate
 
4.25
%
 
4.65
%
 
4.25
%
 
4.65
%
Amounts Included In Accumulated Other Comprehensive Loss That Have Not Yet Been Recognized In Net Periodic Benefit Expense
(Dollars in thousands)
 
Qualified Pension Plans
 
Non-Qualified Pension Plans
 
 
2012
 
2011
 
2012
 
2011
Actuarial loss
 
$
(670,188
)
 
$
(690,340
)
 
$
(33,993
)
 
$
(31,421
)
Prior-service cost
 
(45,295
)
 
(348
)
 
(109
)
 
—

 
 
$
(715,483
)
 
$
(690,688
)
 
$
(34,102
)
 
$
(31,421
)
Schedule Of Net Periodic Benefit Cost Expected In Next Fiscal Year
(Dollars in thousands)
 
Qualified Pension Plans
 
Non-Qualified Pension Plans
Amortization of actuarial loss
 
$
18,600

 
$
1,116

Amortization of prior-service cost
 
1,670

 
5
Components Of Net Periodic Benefit Expense (Income)
(Dollars in thousands)
 
Qualified Pension Plans
 
Non-Qualified Pension Plans
 
 
2012
 
2011
 
2010
 
2012
 
2011
 
2010
Net periodic benefit expense (income):
 
 
 
 
 
 
 
 
 
 
 
 
Interest cost on benefit obligation
 
$
70,168

 
$
71,308

 
$
69,136

 
$
3,438

 
$
3,787

 
$
3,879

Expected return on plan assets
 
(84,411
)
 
(85,935
)
 
(75,039
)
 
—

 
—

 
—

Amortization of actuarial loss
 
19,432

 
10,532

 
9,057

 
958

 
678

 
452

Amortization of prior-service cost
 
14

 
14

 
14

 
—

 
—

 
—

Settlement loss
 
—

 
—

 
—

 
44

 
—

 
—

Net periodic benefit expense
 
 
 
 
 
 
 
 
 
 
 
 
(income)
 
$
5,203

 
$
(4,081
)
 
$
3,168

 
$
4,440

 
$
4,465

 
$
4,331

Amounts recognized in other comprehensive
 
 
 
 
 
 
 
 
 
 
 
 
income or loss
 
 
 
 
 
 
 
 
 
 
 
 
Actuarial loss (gain)
 
$
(720
)
 
$
256,571

 
$
77,201

 
$
3,574

 
$
7,587

 
$
4,219

Prior-service cost
 
44,961

 
—

 
—

 
109

 
—

 
—

Amortization of actuarial loss
 
(19,432
)
 
(10,532
)
 
(9,057
)
 
(1,002
)
 
(678
)
 
(452
)
Amortization of prior-service cost
 
(14
)
 
(14
)
 
(14
)
 
—

 
—

 
—

Loss recognized in other
 
 
 
 
 
 
 
 
 
 
 
 
comprehensive income or loss
 
$
24,795

 
$
246,025

 
$
68,130

 
$
2,681

 
$
6,909

 
$
3,767

Weighted-average assumptions used to
 
 
 
 
 
 
 
 
 
 
 
 
calculate net cost:
 
 
 
 
 
 
 
 
 
 
 
 
Discount rate
 
4.65
%
 
5.55
%
 
6.05
%
 
4.65
%
 
5.55
%
 
6.05
%
Expected long-term rate of return on
 
 
 
 
 
 
 
 
 
 
 
 
plan assets
 
7.65
%
 
8.00
%
 
8.50
%
 
—

 
—

 
—
Expected Benefit Payments
(Dollars in thousands)
 
Qualified Pension Plans
 
Non-Qualified Pension Plans
Year ending December 31:
 

 

2013
 
$
53,386

 
$
5,135

2014
 
57,240

 
5,144

2015
 
61,505

 
5,120

2016
 
65,900

 
5,154

2017
 
70,729

 
5,211

2018-2022
 
428,158

 
25,783
Summary Of Fair Value Of Pension Plan Assets
(Dollars in thousands)
 
December 31, 2012
 
 
Total
 
Level 1
 
Level 2
 
Level 3
Cash and cash equivalents
 
 
 
 
 
 
 
 
Short-term investment fund [a]
 
$
33,569

 
$
—

 
$
33,569

 
$
—

Equity
 
 
 
 
 
 
 
 
U.S. large companies
 
 
 
 
 
 
 
 
S&P 500 index fund [a]
 
105,523

 
—

 
105,523

 
—

Growth [b]
 
96,409

 
96,409

 
—

 
—

Value [b]
 
146,501

 
146,501

 
—

 
—

U.S. small companies
 
 
 
 
 
 
 
 
Growth [b]
 
41,720

 
41,720

 
—

 
—

Value [b]
 
58,126

 
58,126

 
—

 
—

International
 
 
 
 
 
 
 
 
Growth [b]
 
84,673

 
84,673

 
—

 
—

Value fund [a]
 
92,724

 
—

 
92,724

 
—

Fixed-income securities
 
 
 
 
 
 
 
 
U.S. long-term debt instruments [c]
 
511,990

 
52,524

 
459,466

 
—

Real estate
 
 
 
 
 
 
 
 
Private fund [e]
 
36,911

 
—

 
—

 
36,911

Real estate investment trust index fund [a]
 
22,966

 
—

 
22,966

 
—

Hedge fund
 
 
 
 
 
 
 
 
Multi-Strategy [f]
 
50,149

 
—

 
—

 
50,149

Total
 
$
1,281,261

 
$
479,953

 
$
714,248

 
$
87,060

(Dollars in thousands)
 
December 31, 2011
 
 
Total
 
Level 1
 
Level 2
 
Level 3
Cash and cash equivalents
 

 

 

 

Short-term investment fund [a]
 
$
52,076

 
$
—

 
$
52,076

 
$
—

Equity
 

 

 

 

U.S. large companies
 

 

 

 

S&P 500 index fund [a]
 
116,391

 
—

 
116,391

 
—

Growth [b]
 
133,556

 
133,556

 
—

 
—

Value [b]
 
138,241

 
138,241

 
—

 
—

U.S. small companies
 


 


 


 


Growth [b]
 
36,483

 
36,483

 
—

 
—

Value [b]
 
64,764

 
64,764

 
—

 
—

International
 


 


 


 


Growth [b]
 
69,982

 
69,982

 
—

 
—

Value fund [a]
 
79,855

 
—

 
79,855

 
—

Fixed-income securities
 


 


 


 


U.S. long-term debt instruments [c]
 
287,828

 
42,663

 
245,165

 
—

Low-duration fund [d]
 
72,066

 
72,066

 
—

 
—

Real estate
 


 


 


 


Private fund [e]
 
34,520

 
—

 
—

 
34,520

Real estate investment trust index fund [a]
 
19,608

 
—

 
19,608

 
—

Total
 
$
1,105,370

 
$
557,755

 
$
513,095

 
$
34,520

[a]
These funds are not publicly traded and do not have readily determinable fair values. Accordingly, they are valued at their net asset value per share. The underlying investments in the funds consist primarily of publicly traded securities with quoted market prices.
[b]
Publicly traded equity securities are valued at their closing market prices.
[c]
U.S. government securities are valued at their quoted market price, while corporate-debt instruments are generally valued using observable bid-ask spreads or broker-provided pricing.
[d]
The publicly traded low-duration fund is valued at its published net asset value per share.
[e]
The fair value of the private real estate fund is based on the fair values of the underlying assets, which consist of commercial and residential properties valued using periodic appraisals. The fund maintains a redemption plan whereby redemption requests must be received in writing 45 days prior to the end of the quarter. If the fund is unable to satisfy all redemption requests, partial redemptions may be made on a prorated basis.
[f]
The fair value of the hedge fund is based on the fair value of the underlying assets, which consists of individual equities, convertible securities, futures, forward contracts, currency forwards, swaps, high-yield debt portfolios, options, other derivative instruments, and cash which are all valued monthly by an administrator engaged by the fund.
Summary Of The Change In Fair Value For Pension Assets
(Dollars in thousands)
 
Private real
estate fund
 
Hedge fund
 
Total
Balance at December 31, 2010
 
$
29,553

 
$
—

 
$
29,553

Actual return on plan assets:
 
 
 
 
 
 
Relating to assets still held at the reporting date
 
4,967

 
—

 
4,967

Balance at December 31, 2011
 
$
34,520

 
$
—

 
$
34,520

Purchases
 
—

 
50,000

 
50,000

Actual return on plan assets:
 
 
 
 
 
 
Relating to assets still held at the reporting date
 
2,391

 
149

 
2,540

Balance at December 31, 2012
 
$
36,911

 
$
50,149

 
$
87,060
Postretirement Medical Plan [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Changes In The Benefit Obligation And The Determination Of The Amounts Recognized
(Dollars in thousands)
 
2012
 
2011
Change in benefit obligation:
 
 
 
 
Projected benefit obligation at beginning of year
 
$
98,417

 
$
92,993

Service cost – benefits earned during the year
 
1,679

 
1,441

Interest cost on projected benefit obligation
 
4,318

 
4,492

Actuarial loss
 
1,979

 
3,493

Participant contributions
 
3,265

 
2,911

Benefits paid
 
(7,367
)
 
(6,913
)
Projected and accumulated benefit obligation at end of year
 
$
102,291

 
$
98,417

Funded status of the plan
 
$
(102,291
)
 
$
(98,417
)
Amounts recognized in the balance sheet consist of :
 
 
 
 
Current liabilities
 
$
(6,588
)
 
$
(6,822
)
Long-term liabilities
 
(95,703
)
 
(91,595
)
Net amount recognized
 
$
(102,291
)
 
$
(98,417
)
Discount rate assumption as of December 31
 
3.60
%
 
4.30
%
Amounts Included In Accumulated Other Comprehensive Loss That Have Not Yet Been Recognized In Net Periodic Benefit Expense
(Dollars in thousands)
 
2012
 
2011
Actuarial gain (loss)
 
$
(1,605
)
 
$
374

Prior-service credit
 
1,580

 
2,786

 
 
$
(25
)
 
$
3,160
Components Of Net Periodic Benefit Expense (Income)
(Dollars in thousands)
 
2012
 
2011
 
2010
Net periodic benefit expense:
 
 
 
 
 
 
Service cost - benefits earned during the year
 
$
1,679

 
$
1,441

 
$
1,405

Interest cost on benefit obligation
 
4,318

 
4,492

 
4,832

Amortization of prior-service credit
 
(1,206
)
 
(1,212
)
 
(1,202
)
Net periodic benefit expense
 
$
4,791

 
$
4,721

 
$
5,035

Amounts recognized in other comprehensive income or loss:
 
 
 
 
 
 
Actuarial loss
 
$
1,979

 
$
3,493

 
$
2,354

Plan amendments
 
—

 
—

 
(198
)
Amortization of prior-service credit
 
1,206

 
1,212

 
1,202

Loss recognized in other comprehensive income or loss
 
$
3,185

 
$
4,705

 
$
3,358

Discount rate assumption used to calculate interest cost:
 
4.30
%
 
5.00
%
 
5.65
%
Expected Benefit Payments
(Dollars in thousands)
Benefit Payments
Year ending December 31:
 
2013
$
6,588

2014
6,822

2015
7,136

2016
7,618

2017
7,969

2018-2022
41,564
Health-Care Cost Trend Rates Used To Determine The Benefit Obligation
 
2012
Health-care cost trend rate assumed for next year
7.40
%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)
4.50
%
Year that the rate reaches the ultimate trend rate
2027
Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates
(Dollars in thousands)
2012
One-percentage-point increase in trend rate:
 
Effect on total service cost and interest cost components
$
179

Effect on accumulated postretirement benefit obligation
3,579

 
 
One-percentage-point decrease in trend rate:
 
Effect on total service cost and interest cost components
$
(160
)
Effect on accumulated postretirement benefit obligation
(3,199
)