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Employee Benefits (Tables)
 12 Months Ended
Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]  
Reconciliation of the beginning and ending balances of projected benefit obligation and fair value of plan assets [Table Text Block]
The components of our net periodic pension cost, other post-retirement costs and other amounts recognized in other comprehensive loss for the years ended December 31, 2012, 2011 and 2010 were as follows:

(in millions)
2012
2011
2010
Net periodic benefit cost:



Service cost
$
3.9

$
3.6

$
3.6

Interest cost
59.3

61.2

60.1

Expected return on plan assets
(51.1
)
(43.0
)
(52.4
)
Amortization of prior net loss
9.0

9.6

6.2

Curtailment and settlement loss, net
—

—

1.3

Net periodic pension cost
$
21.1

$
31.4

$
18.8

Other changes in plan assets and benefit obligations recognized in other comprehensive loss:



Net actuarial loss (gain) and other adjustments
$
170.4

$
3.6

$
105.3

Less amortization of prior losses
(9.0
)
(9.6
)
(6.2
)
Total recognized in other comprehensive loss (income)
161.4

(6.0
)
99.1

Total recognized in net periodic benefit cost and other comprehensive loss
$
182.5

$
25.4

$
117.9

The reconciliation of the beginning and ending balances of the projected benefit obligation and the fair value of plan assets for the years ended December 31, 2012 and 2011, and the funded status at December 31, 2012 and 2011, is as follows:

(in millions)
2012
2011
Change in benefit obligation:
 
 
Benefit obligation at beginning of year
$
1,166.2

$
1,077.1

Service cost
3.9

3.6

Interest cost
59.3

61.2

Benefits paid
(63.1
)
(57.7
)
Actuarial loss
192.1

91.5

Expenses paid from assets
(12.7
)
(9.5
)
Benefit obligation at year end
$
1,345.7

$
1,166.2

Change in plan assets:


Fair value of plan assets at prior year end
$
727.7

$
633.7

Actual return on plan assets
72.2

130.9

Employer contributions
75.3

30.3

Benefits paid
(63.1
)
(57.7
)
Expenses paid from assets
(12.7
)
(9.5
)
Fair value of plan assets at year end
$
799.4

$
727.7

Funded status at year end
$
(546.3
)
$
(438.5
)
Amounts recognized for pension [Table Text Block]
Amounts recognized in the consolidated balance sheets for pension benefits at December 31 are as follows:

(in millions)
2012
2011
Noncurrent assets
$
—

$
1.4

Current liabilities
0.6

3.0

Noncurrent liabilities
545.7

436.9
Amounts recognized in accumulated other comprehensive loss [Table Text Block]
Amounts recognized in accumulated other comprehensive loss at December 31 consist of:

(in millions)
2012
2011
Net actuarial loss
$
511.8

$
350.3

Prior service cost
—

—

Total
$
511.8

$
350.3
Information for penison plans with ABO in excess of plan assets [Table Text Block]
Information for pension plans with an ABO in excess of plan assets at December 31, 2011 is as follows:

(in millions)
 
ABO Exceeds Assets
Assets Exceed ABO
Total
Projected benefit obligation
 
$
1,160.8

$
5.4

$
1,166.2

Accumulated benefit obligation
 
1,160.8

4.5

1,165.3

Fair value of plan assets
 
720.9

6.8

727.7
Schedule of assumptions used [Table Text Block]
Weighted average actuarial assumptions used to determine benefit obligations at December 31:

 
2012
2011
Discount rate
4.28
%
5.23
%

Weighted average assumptions used to determine net periodic benefit cost for the years ended December 31:

 
2012
2011
2010
Discount rate
5.23
%
5.79
%
6.15
%
Expected rate of return on assets
7.0
%
7.0
%
8.25
%
Mortality table
RP-2000
Projected to 2012

RP-2000 Projected to 2011

RP-2000
Schedule of expected benefit payments [Table Text Block]
Expected benefit payments from our qualified and non-qualified defined benefit pension plans for each of the next five years and the total payments for the following five years ended December 31 are as follows:

(in millions)
2013

2014

2015

2016

2017

2018-2022

Expected benefit payments
$
69.4

$
69.0

$
70.5

$
70.5

$
71.3

$
378.0
Components of net periodic pension cost recognized in other comprehensive income [Table Text Block]
The components of our net periodic pension cost, other post-retirement costs and other amounts recognized in other comprehensive loss for the years ended December 31, 2012, 2011 and 2010 were as follows:

(in millions)
2012
2011
2010
Net periodic benefit cost:



Service cost
$
3.9

$
3.6

$
3.6

Interest cost
59.3

61.2

60.1

Expected return on plan assets
(51.1
)
(43.0
)
(52.4
)
Amortization of prior net loss
9.0

9.6

6.2

Curtailment and settlement loss, net
—

—

1.3

Net periodic pension cost
$
21.1

$
31.4

$
18.8

Other changes in plan assets and benefit obligations recognized in other comprehensive loss:



Net actuarial loss (gain) and other adjustments
$
170.4

$
3.6

$
105.3

Less amortization of prior losses
(9.0
)
(9.6
)
(6.2
)
Total recognized in other comprehensive loss (income)
161.4

(6.0
)
99.1

Total recognized in net periodic benefit cost and other comprehensive loss
$
182.5

$
25.4

$
117.9

The reconciliation of the beginning and ending balances of the projected benefit obligation and the fair value of plan assets for the years ended December 31, 2012 and 2011, and the funded status at December 31, 2012 and 2011, is as follows:

(in millions)
2012
2011
Change in benefit obligation:
 
 
Benefit obligation at beginning of year
$
1,166.2

$
1,077.1

Service cost
3.9

3.6

Interest cost
59.3

61.2

Benefits paid
(63.1
)
(57.7
)
Actuarial loss
192.1

91.5

Expenses paid from assets
(12.7
)
(9.5
)
Benefit obligation at year end
$
1,345.7

$
1,166.2

Change in plan assets:


Fair value of plan assets at prior year end
$
727.7

$
633.7

Actual return on plan assets
72.2

130.9

Employer contributions
75.3

30.3

Benefits paid
(63.1
)
(57.7
)
Expenses paid from assets
(12.7
)
(9.5
)
Fair value of plan assets at year end
$
799.4

$
727.7

Funded status at year end
$
(546.3
)
$
(438.5
)
Pension assets at fair value [Table Text Block]
The table below details by level, within the fair value hierarchy, the pension assets at fair value as of December 31, 2012:
 
 
Pension Assets at Fair Value as of December 31, 2012
(in millions)
Level 1
Level 2
Level 3
Total
Equities
$
79.9

$
92.5

$
—

$
172.4

Private equities
—

—

38.8

38.8

Fixed income:
 
 
 
 
   Corporate
15.3

89.9

35.5

140.7

   Government
109.1

145.2

—

254.3

Absolute return
0.6

157.1

—

157.7

Interest bearing
34.0

—

—

34.0

Total investments
$
238.9

$
484.7

$
74.3

$
797.9

Other assets, net
 
 
 
1.5

Total plan assets
$
238.9

$
484.7

$
74.3

$
799.4


The table below details by level, within the fair value hierarchy, the pension assets at fair value as of December 31, 2011:
 
 
Pension Assets at Fair Value as of December 31, 2011
(in millions)
Level 1
Level 2
Level 3
Total
Equities
$
66.5

$
85.9

—

$
152.4

Private equities
—

—

29.0

29.0

Fixed income:




   Corporate
9.9

74.5

14.6

99.0

   Government
115.8

148.0

—

263.8

Absolute return
0.3

153.0

—

153.3

Interest bearing
23.6

—

—

23.6

Total investments
$
216.1

$
461.4

$
43.6

$
721.1

Other assets, net
 
 
 
6.6

Total plan assets
$
216.1

$
461.4

$
43.6

$
727.7
Assets measured at fair value on a recurring basis (Level 3) [Table Text Block]
The table below presents the activity of our assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

(in millions)
Private
Equities
Fixed income
Absolute return
Total Level 3
Balance at December 31, 2010
$
11.0

$
18.2

$
22.5

$
51.7

Purchases
17.2

4.4

—

21.6

Sales
—

(8.6
)
(21.6
)
(30.2
)
Unrealized gain (loss)
0.8

0.6

(0.9
)
0.5

Balance at December 31, 2011
$
29.0

$
14.6

$
—

$
43.6

Purchases
8.4

25.6

—

34.0

Sales
(2.0
)
(5.2
)
—

(7.2
)
Unrealized gain (loss)
3.4

0.5

—

3.9

Balance at December 31, 2012
$
38.8

$
35.5

$
—

$
74.3
Level 3 assets using NAV [Table Text Block]
The following table sets forth a summary of the Level 3 assets for which the fair value is not readily determinable but a reported NAV is used to estimate the fair value as of December 31, 2012:

 
Fair value estimated using Net Asset Value per Share
(in millions)
Fair Value
Unfunded Commitments
Redemption Frequency
Redemption Notice Period
Private equities (a)
$
38.8

$
14.2

Redemptions not permitted
Fixed income (b)
35.5

3.0

Varies (c)
Varies (c)
Total
$
74.3

 
 
 
(a)
The private equities consist of four private equity funds investing in renewable solar energy, acquisition of pharmaceutical company interest and Chinese technology and healthcare companies.
(b)
Consists of three fixed income funds, two of which invest in debt securities secured by royalty payments from top-tier marketers of pharmaceutical products, and one which invests in Indian mezzanine debt.
(c)
Redemptions are not permitted for two of the Level 3 fixed income funds. The third fund has redemption terms of quarterly after the second anniversary and a 90 day redemption notice period.

The following table sets forth a summary of the Level 3 assets for which the fair value is not readily determinable but a reported NAV is used to estimate the fair value as of December 31, 2011:
 
Fair value estimated using Net Asset Value per Share
(in millions)
Fair Value
Unfunded Commitments
Redemption Frequency
Redemption Notice Period
Private equities (a)
$
29.0

$
18.3

Redemptions not permitted
Fixed income (b)
14.6

18.6

Redemptions not permitted
Total
$
43.6

 
 
 
(a)
The private equities consist of four private equity funds investing in renewable solar energy, acquisition of pharmaceutical company interest and Chinese technology and healthcare companies.
(b)
The fixed income funds consist of funds which invest in debt securities by royalty payments from top-tier marketers of pharmaceutical products.
Schedule of multiemployer plans [Table Text Block]
We expensed the following amounts related to these plans for the years ended December 31:

(in millions)
2012
2011
2010
Health and welfare
$
387.5

$
378.2

$
345.9

Pension
85.6

48.7

3.3

Total
$
473.1

$
426.9

$
349.2

The following table provides additional information related to our participation in individually significant multi-employer pension plans for the year ended December 31, 2012:




 


Pension Protection Zone Status (b)
Funding Improvement or
Rehabilitation Plan
Employer Surcharge Imposed
Expiration Date of Collective-Bargaining Agreement
Pension Fund (a)
EIN Number
2012
2011
Central States, Southwest and Southwest Areas Pension Fund
36-6044243
Red
Red
Yes
No
3/31/2015
Teamsters National 401K Savings Plan (c)
52-1967784
N/A
N/A
N/A
No
3/31/2015
I.B. of T. Union Local No 710 Pension Fund
36-2377656
Green
Yellow
No
No
3/31/2015
Central Pennsylvania Teamsters Defined Benefit Plan
23-6262789
Green
Green
No
No
3/31/2015
Road Carriers Local 707 Pension Fund
51-6106510
Red
Red
Yes
No
3/31/2015
(a) The determination of individually significant multi-employer plans is based on the relative contributions to the plans over the periods presented as well as other factors.
(b) The Pension Protection Zone Status is based on information that the Company obtained from the plans' Forms 5500. Unless otherwise noted, the most recent Pension Protection Act (PPA) zone status available for 2012 and 2011 is for the plan's year-end during calendar years 2011 and 2010, respectively. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the yellow zone are less than 80 percent funded, and plans in the green zone are at least 80 percent funded.
(c) The policies of the Western Conference of Teamsters Pension Trust precluded the Company from reentering the plan on June 1, 2011. The failure to reenter did not constitute a withdrawal subject to certain conditions. Contributions related to the employees previously covered by this plan are now being made to the Teamsters National 401(k) Plan.
Schedule of multiemployer plans [Table Text Block]
We expensed the following amounts related to these plans for the years ended December 31:

(in millions)
2012
2011
2010
Health and welfare
$
387.5

$
378.2

$
345.9

Pension
85.6

48.7

3.3

Total
$
473.1

$
426.9

$
349.2

The following table provides additional information related to our participation in individually significant multi-employer pension plans for the year ended December 31, 2012:




 


Pension Protection Zone Status (b)
Funding Improvement or
Rehabilitation Plan
Employer Surcharge Imposed
Expiration Date of Collective-Bargaining Agreement
Pension Fund (a)
EIN Number
2012
2011
Central States, Southwest and Southwest Areas Pension Fund
36-6044243
Red
Red
Yes
No
3/31/2015
Teamsters National 401K Savings Plan (c)
52-1967784
N/A
N/A
N/A
No
3/31/2015
I.B. of T. Union Local No 710 Pension Fund
36-2377656
Green
Yellow
No
No
3/31/2015
Central Pennsylvania Teamsters Defined Benefit Plan
23-6262789
Green
Green
No
No
3/31/2015
Road Carriers Local 707 Pension Fund
51-6106510
Red
Red
Yes
No
3/31/2015
(a) The determination of individually significant multi-employer plans is based on the relative contributions to the plans over the periods presented as well as other factors.
(b) The Pension Protection Zone Status is based on information that the Company obtained from the plans' Forms 5500. Unless otherwise noted, the most recent Pension Protection Act (PPA) zone status available for 2012 and 2011 is for the plan's year-end during calendar years 2011 and 2010, respectively. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the yellow zone are less than 80 percent funded, and plans in the green zone are at least 80 percent funded.
(c) The policies of the Western Conference of Teamsters Pension Trust precluded the Company from reentering the plan on June 1, 2011. The failure to reenter did not constitute a withdrawal subject to certain conditions. Contributions related to the employees previously covered by this plan are now being made to the Teamsters National 401(k) Plan.
Pension amounts contributed by fund [Table Text Block]
The following table provides the pension amounts contributed by fund for those funds that are considered to be individually significant:

(in millions)
2012
2011
2010
Central States, Southeast and Southwest Areas Pension Plan
$
51.9

$
27.6

$
—

Teamsters National 401K Savings Plan
11.0

5.8

—

I.B. of T. Union Local No 710 Pension Fund
4.1

2.2

—

Central Pennsylvania Teamsters Defined Benefit Plan
4.5

2.3

—

Road Carriers Local 707 Pension Fund
2.5

1.2

—