Age limit of qualified retirees for health care benefits.

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- Definition

The percentage of total pension plan assets that related to the U.S. plans.

+ References

No definition available.

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- Definition

The effect of a one-percentage-point increase/decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits and annual postretirement benefit expense.

+ References

No definition available.

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- Definition

Defined benefit plan, lump sum settlement charge, pre tax

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No definition available.

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- Definition

The percentage of company contributions to a multi-employer plan (MEP) as a percentage of total contributions to the MEP. This disclosure is provided only for those plans in which the company's contribution exceeded 5% of the total contributions to the MEP.

+ References

No definition available.

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- Definition

Modified Age Limit Of Qualified Retirees For Health Care Benefits

+ References

No definition available.

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- Definition

Modified years of service required for Qualified Retirees For Health Care Benefits

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No definition available.

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- Definition

Number of participants

+ References

No definition available.

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- Definition

One time charge related to pension settlement (pre-tax)

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No definition available.

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- Definition

Percent of former vested employees offered accepted the lump sum distribution offer

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No definition available.

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- Definition

Settlement as a percentage of U.S. pension plan obligations

+ References

No definition available.

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(b))

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- Definition

Value of common stock issued to a trust (for example, but not limited to, rabbi trust) set up specifically to accumulate stock for the sole purpose of distribution to participating employees.

+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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- Definition

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15)

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-Name Accounting Standards Codification

-Topic 942

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-Subparagraph (SX 210.9-03.15)

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-SubTopic 20

-Section 45

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

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- Definition

Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

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The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period).

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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Employee Benefits Plans (Details Textual) (USD $)	1 Months Ended	12 Months Ended
Employee Benefits Plans (Details Textual) (USD $)	Dec. 31, 2014 participant	Dec. 31, 2014 participant	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2015	Oct. 22, 2014 participant
Defined Benefit Plan Disclosure [Line Items]
Pension benefits	$ 448,396,000	$ 448,396,000		$ 295,815,000
Number of former vested employees	6,200r_NumberofParticipants	6,200r_NumberofParticipants					11,000r_NumberofParticipants
Percent of former vested employees offered accepted the lump sum distribution offer							60.00%
Payments for postemployment benefits	224,000,000
Pension settlement charges		12,564,000		2,820,000	0
Settlement percentage of pension obligation	12.00%	12.00%
Pension lump sum settlement expense		97,231,000		0	0
U.S. pension plan assets percentage of total pension plan assets		75.00%
Required pension contributions to our pension plans		39,000,000
MEP contribution percentage			5.00%r_MepContributionPercent
Deferred compensation	40,302,000	40,302,000		34,401,000
Non-qualified supplemental pension plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension benefits	51,000,000	51,000,000		44,000,000
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension settlement charges		259,319,000		0
Net actuarial loss to be recognized		32,000,000
Deferred compensation	40,000,000	40,000,000		34,000,000
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum age limit of qualified retirees for health care benefits		65
Assumed change in healthcare cost trend rates in each year		1.00%
Modified Age Limit Of Qualified Retirees For Health Care Benefits		52
Modified years of service required for Qualified Retirees For Health Care Benefits		12
Defined Contribution Savings Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expense related to defined contribution savings plans		35,000,000		35,000,000	33,000,000
Rabbi Trusts [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets held in trust	41,000,000	41,000,000		35,000,000
Value of common stock issued in trust	2,000,000	2,000,000		2,000,000
Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service credit						$ (2,000,000)