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Retirement Plans and Postretirement Medical Benefits (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule Of Change In Benefit Obligation, Plan Assets And The Funded Status Of Defined Benefit Pension Plans

The benefit obligations and funded status of defined benefit pension plans are as follows:



	United States						Foreign
	2014			2013			2014			2013
Accumulated benefit obligation	$	1,866,914		$	1,611,457		$	698,176		$	659,602

Projected benefit obligation
Benefit obligation - beginning of year	$	1,622,591		$	1,822,677		$	672,773		$	663,826
Service cost	6,908			13,981			3,565			6,272
Interest cost	77,655			74,370			28,518			27,365
Plan participants' contributions	—			—			59			496
Actuarial loss (gain)	306,718			(154,996		)	89,695			(1,224		)
Foreign currency changes	—			—			(52,750		)	(204		)
Settlement / curtailment	(16,867		)	(3,275		)	—			(86		)
Special termination benefits	—			548			1,238			935
Benefits paid	(128,829		)	(130,714		)	(27,811		)	(24,607		)
Benefit obligation - end of year	$	1,868,176		$	1,622,591		$	715,287		$	672,773



Fair value of plan assets available for benefits
Fair value of plan assets - beginning of year	$	1,523,679		$	1,583,932		$	561,078		$	509,331
Actual return on plan assets	195,946			60,569			67,306			62,777
Company contributions	19,534			9,892			15,323			14,509
Plan participants' contributions	—			—			59			496
Settlement / curtailment	(16,867		)	—			—			—
Foreign currency changes	—			—			(40,963		)	(1,428		)
Benefits paid	(128,829		)	(130,714		)	(27,811		)	(24,607		)
Fair value of plan assets - end of year	$	1,593,463		$	1,523,679		$	574,992		$	561,078



Amounts recognized in the Consolidated Balance Sheets
Non-current asset	$	300		$	195		$	5,813		$	11,951
Current liability	(6,590		)	(18,097		)	(1,008		)	(1,051		)
Non-current liability	(268,423		)	(81,010		)	(145,100		)	(122,595		)
Funded status	$	(274,713	)	$	(98,912	)	$	(140,295	)	$	(111,695	)

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

Information provided in the table below is only for pension plans with an accumulated benefit obligation in excess of plan assets at December 31, 2014 and 2013:



	United States				Foreign
	2014		2013		2014		2013
Projected benefit obligation	$	1,867,788	$	1,621,164	$	583,317	$	544,875
Accumulated benefit obligation	$	1,866,525	$	1,610,029	$	566,365	$	532,774
Fair value of plan assets	$	1,592,774	$	1,522,057	$	437,209	$	421,229

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Other changes in plan assets and benefit obligations for defined benefit pension plans recognized in other comprehensive income were as follows:



	United States						Foreign
	2014			2013			2014			2013
Net actuarial loss (gain)	$	214,593		$	(111,232	)	$	61,525		$	(29,320	)
Amortization of net actuarial loss	(25,369		)	(32,494		)	(8,268		)	(14,445		)
Amortization of prior service (cost) credit	(9		)	(380		)	57			(112		)
Net transition asset	—			—			10			9
Settlement / curtailment	(4,528		)	(2,638		)	—			—
Total recognized in other comprehensive income	$	184,687		$	(146,744	)	$	53,324		$	(43,868	)

Other changes in plan assets and benefit obligation for nonpension postretirement benefit plans recognized in other comprehensive income were as follows:



	2014			2013
Net actuarial loss (gain)	$	35,372		$	(34,890	)
Amortization of net actuarial loss	(5,949		)	(7,433		)
Amortization of prior service cost	(159		)	(128		)
Curtailment	—			(2,920		)
Other adjustments	412			481
Total recognized in other comprehensive income	$	29,676		$	(44,890	)

The estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2015 are as follows:



Net actuarial loss	$	9,619
Prior service cost	297
Total	$	9,916



Pretax amounts recognized in AOCI consist of:
	United States						Foreign
	2014			2013			2014			2013
Net actuarial loss	$	918,641		$	733,943		$	253,257		$	200,000
Prior service credit	(144		)	(135		)	(806		)	(863		)
Transition asset	—			—			(49		)	(59		)
Total	$	918,497		$	733,808		$	252,402		$	199,078

The estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2015 are as follows:



	United States		Foreign
Net actuarial loss	$	30,590	$	6,828
Prior service cost (credit)	9		(79		)
Transition asset	—		(10		)
Total	$	30,599	$	6,739

Schedule of Costs of Retirement Plans

The components of net periodic benefit cost for defined benefit pension plans were as follows:



	United States									Foreign
	2014			2013			2012			2014			2013			2012
Service cost	$	6,908		$	13,981		$	18,939		$	3,565		$	6,272		$	7,763
Interest cost	77,655			74,370			81,040			28,518			27,365			27,793
Expected return on plan assets	(103,822		)	(107,608		)	(121,623		)	(39,137		)	(34,769		)	(32,299		)
Amortization of net transition asset	—			—			—			(10		)	(9		)	(10		)
Amortization of prior service cost (credit)	9			380			803			(57		)	112			112
Amortization of net actuarial loss	25,369			32,494			52,957			8,268			14,445			14,103
Special termination benefits	—			548			—			1,238			935			601
Settlement / curtailment	4,528			2,638			(48		)	—			—			444
Net periodic benefit cost	$	10,647		$	16,803		$	32,068		$	2,385		$	14,351		$	18,507

The components of net periodic benefit cost for nonpension postretirement benefit plans were as follows:



	2014		2013		2012
Service cost	$	2,683	$	3,684	$	3,563
Interest cost	9,951		9,503		11,187
Amortization of prior service cost (credit)	159		128		(1,724		)
Amortization of net actuarial loss	5,949		7,433		8,214
Curtailment	—		2,920		—
Net periodic benefit cost	$	18,742	$	23,668	$	21,240

Schedule Of Weighted Average Assumptions Used To Determine Net Periodic Benefit Costs

Weighted-average actuarial assumptions used to determine end of year benefit obligations and net periodic benefit cost for defined benefit pension plans include:



	2014				2013				2012
United States
Used to determine benefit obligations
Discount rate	4.15%				4.95%				4.05%
Rate of compensation increase	N/A				3.50%				3.50%

Used to determine net periodic benefit cost
Discount rate	4.95%				4.05%				4.95%
Expected return on plan assets	7.00%				7.25%				7.75%
Rate of compensation increase	3.50%				3.50%				3.50%

Foreign
Used to determine benefit obligations
Discount rate	1.10	%	-	3.80%	1.45	%	-	4.60%	1.95	%	-	4.65%
Rate of compensation increase	1.50	%	-	3.50%	1.50	%	-	3.50%	1.50	%	-	3.50%

Used to determine net periodic benefit cost
Discount rate	1.45	%	-	4.60%	1.95	%	-	4.65%	1.80	%	-	6.10%
Expected return on plan assets	3.75	%	-	7.50%	3.50	%	-	7.50%	3.25	%	-	7.50%
Rate of compensation increase	1.50	%	-	3.50%	1.50	%	-	3.50%	2.10	%	-	4.60%

The weighted-average discount rates used to determine end of year benefit obligation and net periodic pension cost include:



	2014		2013		2012
Discount rate used to determine benefit obligation
U.S.	3.90	%	4.40	%	3.65	%
Canada	3.80	%	4.65	%	3.90	%

Discount rate used to determine net period benefit cost
U.S.	4.40	%	3.65	%	4.50	%
Canada	4.65	%	3.90	%	4.15	%

Schedule Of Target Allocation And Percentage Of Plan Assets For Domestic Pension Plan

The target asset allocation for 2015 and the actual asset allocations at December 31, 2014 and 2013, for the U.S. pension plans are as follows:



	Target allocation		Percent of Plan Assets at December 31,
	2015		2014		2013
Asset category
U.S. equities	11	%	12	%	16	%
Non-U.S. equities	11	%	9	%	14	%
Fixed income	68	%	69	%	60	%
Real estate	2	%	5	%	4	%
Private equity	8	%	5	%	6	%
Total	100	%	100	%	100	%

Schedule Of Target Allocation And Percentage Of Plan Assets For Foreign Pension Plan

The target asset allocation for 2015 and the actual asset allocations at December 31, 2014 and 2013, for the U.K. pension plan are as follows:



	Target Allocation		Percent of Plan Assets at December 31,
	2015		2014		2013
Asset category
U.K. equities	30	%	28	%	33	%
Non-U.K. equities	30	%	29	%	35	%
Fixed income	40	%	40	%	31	%
Cash	—	%	3	%	1	%
Total	100	%	100	%	100	%

Schedule Of Fair Value Measurement Of Plan Assets Domestic

United States Pension Plans



	December 31, 2014
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	10,758	$	—	$	10,758
Equity securities	180,069		146,716		—		326,785
Commingled fixed income securities	—		261,571		—		261,571
Debt securities - U.S. and foreign governments, agencies and municipalities	184,209		25,131		—		209,340
Debt securities - corporate	—		598,927		—		598,927
Mortgage-backed securities	—		20,401		2,102		22,503
Asset-backed securities	—		2,158		—		2,158
Private equity	—		—		81,246		81,246
Real estate	—		—		74,747		74,747
Securities lending collateral ⁽¹⁾	—		131,901		—		131,901
Total plan assets at fair value	$	364,278	$	1,197,563	$	158,095	$	1,719,936
Securities lending payable ⁽¹⁾							(131,901		)
Cash							4,621
Other							807
Fair value of plan assets available for benefits							$	1,593,463



	December 31, 2013
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	30,374	$	—	$	30,374
Equity securities	279,988		165,303		—		445,291
Commingled fixed income securities	—		209,674		—		209,674
Debt securities - U.S. and foreign governments, agencies and municipalities	43,390		30,477		—		73,867
Debt securities - corporate	—		568,567		—		568,567
Mortgage-backed securities	—		31,738		2,634		34,372
Asset-backed securities	—		625		—		625
Private equity	—		—		87,470		87,470
Real estate	—		—		67,917		67,917
Securities lending collateral ⁽¹⁾	—		6,602		—		6,602
Total plan assets at fair value	$	323,378	$	1,043,360	$	158,021	$	1,524,759
Securities lending payable ⁽¹⁾							(6,602		)
Cash							634
Other							4,888
Fair value of plan assets available for benefits							$	1,523,679

(1) Securities lending collateral is offset by a corresponding securities lending payable amount.

Schedule Of Fair Value Measurement Of Plan Assets Foreign

Foreign Plans



	December 31, 2014
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	6,684	$	—	$	6,684
Equity securities	99,570		190,924		—		290,494
Commingled fixed income securities	—		151,017		—		151,017
Debt securities - U.S. and foreign governments, agencies and municipalities	—		85,711		—		85,711
Debt securities - corporate	—		26,154		—		26,154
Total plan assets at fair value	$	99,570	$	460,490	$	—	$	560,060
Cash							10,859
Other							4,073
Fair value of plan assets available for benefits							$	574,992



	December 31, 2013
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	6,058	$	—	$	6,058
Equity securities	109,403		257,046		—		366,449
Commingled fixed income securities	—		104,070		—		104,070
Debt securities - U.S. and foreign governments, agencies and municipalities	—		60,204		—		60,204
Debt securities - corporate	—		17,944		—		17,944
Total plan assets at fair value	$	109,403	$	445,322	$	—	$	554,725
Cash							5,285
Other							1,068
Fair value of plan assets available for benefits							$	561,078

Schedule Of Changes In Fair Value Of Level 3 Assets Domestic

The following table summarizes the changes in the fair value of Level 3 assets for the years ended December 31, 2014 and 2013:



	Mortgage-backed securities			Private equity			Real estate			Total
Balance at December 31, 2012	$	3,191		$	91,805		$	63,168		$	158,164
Realized (losses) gains	—			(1,591		)	1,939			348
Unrealized gains	205			2,190			5,182			7,577
Net purchases, sales and settlements	(762		)	(4,934		)	(2,372		)	(8,068		)
Balance at December 31, 2013	2,634			87,470			67,917			158,021
Realized gains	12			11,174			285			11,471
Unrealized gains	59			1,886			6,140			8,085
Net purchases, sales and settlements	(603		)	(19,284		)	405			(19,482		)
Balance at December 31, 2014	$	2,102		$	81,246		$	74,747		$	158,095

Schedule Of Change In Benefit Obligation, Plan Assets And The Funded Status Of Nonpension Benefit Plans

The benefit obligation and funded status for nonpension postretirement benefit plans are as follows:



	2014			2013
Benefit obligation
Benefit obligation - beginning of year	$	231,153		$	282,857
Service cost	2,683			3,684
Interest cost	9,951			9,503
Plan participants' contributions	5,418			4,313
Actuarial loss (gain)	37,532			(30,051		)
Foreign currency changes	(2,096		)	(1,693		)
Curtailment	(2,160		)	(4,839		)
Benefits paid	(28,501		)	(32,621		)
Benefit obligation - end of year ⁽¹⁾	$	253,980		$	231,153



Fair value of plan assets
Fair value of plan assets - beginning of year	$	—		$	—
Company contribution	23,083			28,308
Plan participants' contributions	5,418			4,313
Benefits paid	(28,501		)	(32,621		)
Fair value of plan assets - end of year	$	—		$	—



Amounts recognized in the Consolidated Balance Sheets
Current liability	$	(22,113	)	$	(23,668	)
Non-current liability	(231,867		)	(207,485		)
Funded status	$	(253,980	)	$	(231,153	)


(1)	The benefit obligation for the U.S. nonpension postretirement plans was $231 million and $208 million at December 31, 2014 and 2013, respectively.

Pretax amounts recognized in AOCI consist of:



	2014		2013
Net actuarial loss	$	97,955	$	68,120
Prior service cost	2,356		2,516
Total	$	100,311	$	70,636

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A 1% change in the assumed health care cost trend rates would have the following effects:



	1% Increase		1% Decrease
Effect on total of service and interest cost components	$	548	$	(431	)
Effect on postretirement benefit obligation	$	9,512	$	(8,829	)

Schedule of Expected Benefit Payments



	Pension Benefits		Nonpension Benefits
Years ending December 31,
2015	$	126,662	$	22,187
2016	125,924		21,530
2017	127,549		20,863
2018	130,141		20,174
2019	131,871		19,567
2020 - 2024	676,833		88,921
	$	1,318,980	$	193,242