(Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2012

Dec. 31, 2012

Pension And Other Postretirement Benefits Disclosure (Tables) [Abstract]

Schedule Of Change In Benefit Obligation, Plan Assets And The Funded Status Of Defined Benefit Pension Plans [Table Text Block]

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

	United States						Foreign
	2012			2011			2012			2011
Accumulated benefit obligation	$	1,802,811		$	1,684,050		$	648,439		$	543,599
Projected benefit obligation
Benefit obligation at beginning of year	$	1,707,390		$	1,632,286		$	581,904		$	541,241
Service cost	18,939			19,450			7,763			7,310
Interest cost	81,040			87,738			27,793			28,329
Plan participants' contributions	—			—			1,106			1,868
Actuarial loss	145,641			94,495			45,537			30,648
Foreign currency changes	—			—			22,115			(6,424		)
Settlement / curtailment	6			2,941			(1,489		)	16
Special termination benefits	—			1,489			601			277
Benefits paid	(130,339		)	(131,009		)	(21,504		)	(21,361		)
Benefit obligation at end of year	1,822,677			1,707,390			663,826			581,904

Fair value of plan assets available for benefits
Fair value of plan assets at beginning of year	1,426,536			1,385,174			438,848			450,683
Actual return on plan assets	193,696			41,388			44,928			(7,478		)
Company contributions	94,039			130,983			30,089			18,616
Plan participants' contributions	—			—			1,106			1,868
Settlement / curtailment	—			—			(1,489		)	—
Foreign currency changes	—			—			17,353			(3,480		)
Benefits paid	(130,339		)	(131,009		)	(21,504		)	(21,361		)
Fair value of plan assets at end of year	1,583,932			1,426,536			509,331			438,848
Funded status	$	(238,745	)	$	(280,854	)	$	(154,495	)	$	(143,056	)

Amounts recognized in Consolidated Balance Sheets
Non-current asset	$	175		$	40		$	530		$	888
Current liability	(7,456		)	(11,323		)	(967		)	(852		)
Non-current liability	(231,464		)	(269,571		)	(154,058		)	(143,092		)
Net amount recognized	$	(238,745	)	$	(280,854	)	$	(154,495	)	$	(143,056	)

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

Information provided in the table below is only for pension plans with an accumulated benefit obligation in excess of plan assets at December 31, 2012 and 2011:

	United States				Foreign
	2012		2011		2012		2011
Projected benefit obligation	$	1,821,300	$	1,705,732	$	660,110	$	579,646
Accumulated benefit obligation	$	1,801,433	$	1,682,392	$	645,361	$	541,723
Fair value of plan assets	$	1,582,379	$	1,424,837	$	505,084	$	435,702

Schedule of Costs of Retirement Plans [Table Text Block]

	United States									Foreign
	2012			2011			2010			2012			2011			2010
Service cost	$	18,939		$	19,450		$	23,157		$	7,763		$	7,310		$	6,907
Interest cost	81,040			87,738			89,602			27,793			28,329			27,507
Expected return on plan assets	(121,623		)	(123,058		)	(123,095		)	(32,299		)	(31,784		)	(28,838		)
Amortization of transition credit	—			—			—			(10		)	(10		)	(9		)
Amortization of prior service cost	803			147			(2,575		)	112			170			214
Recognized net actuarial loss	52,957			37,522			32,343			14,103			11,135			10,205
Special termination benefits	—			1,489			8,148			601			277			291
Settlement / curtailment	(48		)	3,036			10,712			444			274			1,285
Net periodic benefit cost	$	32,068		$	26,324		$	38,292		$	18,507		$	15,701		$	17,562

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

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

	United States						Foreign
	2012			2011			2012			2011
Curtailments effects and settlements	$	48		$	(95	)	$	(444	)	$	(274	)
Net actuarial loss	73,701			176,164			32,596			67,934
Prior service credit	(127		)	—			—			—
Amortization of net actuarial (loss) gain	(52,957		)	(37,522		)	(14,103		)	(11,135		)
Amortization of prior service (cost) credit	(803		)	(147		)	(112		)	(170		)
Net transitional obligation (asset)	—			—			10			9
Total recognized in other comprehensive income	$	19,862		$	138,400		$	17,947		$	56,364

Pretax amounts recognized in AOCI consists of:
	United States				Foreign
	2012		2011		2012			2011
Net actuarial loss	$	879,323	$	858,531	$	242,668		$	224,731
Prior service cost	1,229		2,159		541			541
Transition asset	—		—		(263		)	(273		)
Total	$	880,552	$	860,690	$	242,946		$	224,999

The estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2013 are as follows:

	United States		Foreign
Net actuarial loss	$	72,382	$	13,191
Prior service cost	803		99
Transition asset	—		(10		)
Total	$	73,185	$	13,280

Schedule Of Weighted Average Assumptions Used To Determine Net Periodic Benefit Costs [Table Text Block]

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

	2012				2011				2010
United States
Used to determine benefit obligations
Discount rate	4.05%				4.95%				5.60%
Rate of compensation increase	3.50%				3.50%				3.50%
Used to determine net periodic benefit cost
Discount rate	4.95%				5.60%				5.75%
Expected return on plan assets	7.75%				8.00%				8.00%
Rate of compensation increase	3.50%				3.50%				3.50%
Foreign
Used to determine benefit obligations
Discount rate	1.95	%	-	4.65%	1.80	%	-	6.10%	2.25	%	-	5.50%
Rate of compensation increase	1.50	%	-	3.50%	2.10	%	-	4.60%	2.50	%	-	5.50%
Used to determine net periodic benefit cost
Discount rate	1.80	%	-	6.10%	2.00	%	-	5.50%	2.25	%	-	6.00%
Expected return on plan assets	3.25	%	-	7.50%	4.00	%	-	7.75%	4.50	%	-	7.75%
Rate of compensation increase	2.10	%	-	4.60%	2.10	%	-	5.50%	2.50	%	-	5.60%

Schedule Of Target Allocation And Percentage Of Plan Assets For Domestic Pension Plan [Table Text Block]

The target asset allocation for 2013 and the actual asset allocations at December 31, 2012 and 2011, for the U.S. pension plans are as follows:

	Target allocation		Percent of Plan Assets at December 31,
	2013		2012		2011
Asset category
U.S. equities	14	%	14	%	18	%
Non-U.S. equities	14	%	15	%	16	%
Fixed income	62	%	61	%	56	%
Real estate	2	%	4	%	4	%
Private equity	8	%	6	%	6	%
Total	100	%	100	%	100	%

Schedule Of Target Allocation And Percentage Of Plan Assets For Foreign Pension Plan [Table Text Block]

The target asset allocation for 2013 and the actual asset allocations at December 31, 2012 and 2011, for the U.K. pension plan are as follows:

	Target Allocation		Percent of Plan Assets at December 31,
	2013		2012		2011
Asset category
U.K. equities	32	%	32	%	34	%
Non-U.K. equities	33	%	31	%	28	%
Fixed income	35	%	36	%	32	%
Cash	—	%	1	%	6	%
Total	100	%	100	%	100	%

Schedule Of Fair Value Measurement Of Plan Assets Domestic [Table Text Block]

United States Pension Plans

	December 31, 2012
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	17,363	$	—	$	17,363
Equity securities	250,303		203,766		—		454,069
Commingled fixed income securities	—		200,899		—		200,899
Debt securities - U.S. and foreign governments, agencies and municipalities	53,984		35,461		—		89,445
Debt securities - corporate	—		621,691		—		621,691
Mortgage-backed securities	—		39,552		3,191		42,743
Asset-backed securities	—		547		—		547
Private equity	—		—		91,805		91,805
Real estate	—		—		63,168		63,168
Derivatives	738		—		—		738
Securities lending collateral (1)	—		104,375		—		104,375
Total plan assets at fair value	$	305,025	$	1,223,654	$	158,164	$	1,686,843
Securities lending payable (1)							(104,375		)
Cash							618
Other							846
Fair value of plan assets available for benefits							$	1,583,932

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

	December 31, 2011
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	22,064	$	—	$	22,064
Equity securities	218,010		262,152		—		480,162
Commingled fixed income securities	—		177,349		—		177,349
Debt securities - U.S. and foreign governments, agencies and municipalities	60,411		16,745		—		77,156
Debt securities - corporate	—		467,281		—		467,281
Mortgage-backed securities	—		57,922		3,702		61,624
Asset-backed securities	—		919		—		919
Private equity	—		—		88,870		88,870
Real estate	—		—		57,918		57,918
Derivatives	293		—		—		293
Securities lending collateral (1)	—		119,528		—		119,528
Total plan assets at fair value	$	278,714	$	1,123,960	$	150,490	$	1,553,164
Securities lending payable (1)							(119,528		)
Cash							1,108
Other							(8,208		)
Fair value of plan assets available for benefits							$	1,426,536

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

Schedule Of Fair Value Measurement Of Plan Assets Foreign [Table Text Block]

Foreign Plans

	December 31, 2012
	Level 1		Level 2			Level 3		Total
Money market funds	$	—	$	7,130		$	—	$	7,130
Equity securities	96,442		213,662			—		310,104
Commingled fixed income securities	—		157,332			—		157,332
Debt securities - U.S. and foreign governments, agencies and municipalities	—		18,937			—		18,937
Debt securities - corporate	—		6,935			—		6,935
Derivatives	—		(114		)	—		(114		)
Total plan assets at fair value	$	96,442	$	403,882		$	—	$	500,324
Cash								4,414
Other								4,593
Fair value of plan assets available for benefits								$	509,331

	December 31, 2011
	Level 1		Level 2		Level 3		Total
Money market funds	$	—	$	7,236	$	—	$	7,236
Equity securities	113,257		150,787		—		264,044
Commingled fixed income securities	—		127,611		—		127,611
Debt securities - U.S. and foreign governments, agencies and municipalities	—		13,616		—		13,616
Debt securities - corporate	—		7,150		—		7,150
Derivatives	—		382		—		382
Total plan assets at fair value	$	113,257	$	306,782	$	—	$	420,039
Cash							16,424
Other							2,385
Fair value of plan assets available for benefits							$	438,848

Schedule Of Changes In Fair Value Of Level 3 Assets Domestic [Table Text Block]

The following table summarizes the changes in the fair value of Level 3 assets for the year ended December 31, 2012:

	Mortgage-backed securities			Private equity			Real estate			Total
Balance at beginning of year	$	3,702		$	88,870		$	57,918		$	150,490
Realized (losses) gains	(3		)	(13		)	1,780			1,764
Unrealized (losses) gains	(20		)	742			5,711			6,433
Net purchases, sales and settlements	(488		)	2,206			(2,241		)	(523		)
Balance at end of year	$	3,191		$	91,805		$	63,168		$	158,164

Schedule Of Change In Benefit Obligation, Plan Assets And The Funded Status Of Nonpension Benefit Plans [Table Text Block]

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

	2012			2011
Benefit obligation
Benefit obligation at beginning of year	$	285,828		$	280,386
Service cost	3,563			3,328
Interest cost	11,187			13,528
Plan participants' contributions	9,547			8,861
Actuarial loss	4,150			20,792
Foreign currency changes	697			(648		)
Plan amendment	8,501			—
Curtailment	—			3,245
Special termination benefits	—			300
Benefits paid	(40,616		)	(43,964		)
Benefit obligation at end of year (1)	$	282,857		$	285,828

(1) The benefit obligation for the U.S. nonpension postretirement plans was $256 million and $262 million at December 31, 2012 and 2011, respectively.

	2012			2011
Fair value of plan assets
Fair value of plan assets at beginning of year	$	—		$	—
Company contribution	31,069			35,103
Plan participants' contributions	9,547			8,861
Gross benefits paid	(40,616		)	(43,964		)
Fair value of plan assets at end of year	$	—		$	—
Funded status	$	(282,857	)	$	(285,828	)

Amounts recognized in the Consolidated Balance Sheets
Current liability	$	(25,483	)	$	(28,855	)
Non-current liability	(257,374		)	(256,973		)
Net amount recognized	$	(282,857	)	$	(285,828	)

Pretax amounts recognized in AOCI consist of:

	2012		2011
Net actuarial loss	$	106,654	$	115,713
Prior service credit	8,872		(5,696		)
Total	$	115,526	$	110,017

Schedule of Defined Benefit Plans Disclosures

	2012			2011			2010
Service cost	$	3,563		$	3,328		$	3,724
Interest cost	11,187			13,528			13,828
Amortization of prior service benefit	(1,724		)	(2,504		)	(2,511		)
Recognized net actuarial loss	8,214			7,666			6,793
Curtailment	—			2,839			6,954
Special termination benefits	—			300			191
Net periodic benefit cost	$	21,240		$	25,157		$	28,979

Schedule Of Other Changes For Postretirement Benefit Plans Recognized In Other Comprehensive Income [Table Text Block]

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

	2012			2011
Net actuarial loss	$	(195	)	$	22,201
Amortization of net actuarial loss	4,631			(9,980		)
Amortization of prior service credit	1,724			2,504
Adjustment for actual Medicare Part D Premium	(651		)	(2,040		)
Curtailment	—			308
Total recognized in other comprehensive income	$	5,509		$	12,993

The estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2013 are as follows:

Net actuarial loss	$	8,961
Prior service credit	661
Total	$	9,622

Schedule Of Weighted Average Assumptions Used To Determine Net Periodic Costs For Postretirement Benefits [Table Text Blcok]

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

	2012		2011		2010
Discount rate used to determine benefit obligation
U.S.	3.50	%	4.50	%	5.15	%
Canada	3.90	%	4.15	%	5.15	%
Discount rate used to determine net period benefit cost
U.S.	4.50	%	5.15	%	5.35	%
Canada	4.15	%	5.15	%	5.85	%

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

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	573	(477	)
Effect on postretirement benefit obligation	10,086	(8,703	)

Schedule of Expected Benefit Payments [Table Text Block]

Nonpension benefit payments are net of expected Medicare Part D subsidy.

	Pension Benefits		Nonpension Benefits
Years ending December 31,
2013	$	139,394	$	25,959
2014	137,336		24,905
2015	130,778		23,826
2016	132,252		22,932
2017	134,710		22,037
2018 - 2022	700,363		98,604
	$	1,374,833	$	218,263