Retirement Plans and Postretirement Medical Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Dec. 31, 2010

Retirement Plans and Postretirement Medical Benefits [Abstract]

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

	United States				Foreign
	2011		2010		2011		2010
Accumulated benefit obligation	$	1,684,050	$	1,603,320	$	543,599	$	504,471
Projected benefit obligation:
Benefit obligation at beginning of year	$	1,632,286	$	1,599,506	$	541,241	$	507,932
Service cost		19,450		23,157		7,310		6,907
Interest cost		87,738		89,602		28,329		27,507
Plan participants’ contributions		-		-		1,868		1,962
Actuarial loss		94,495		39,971		30,648		27,129
Foreign currency changes		-		-		(6,424)		(5,257)
Settlement / curtailment		2,941		6,419		16		(3,396)
Special termination benefits		1,489		8,148		277		557
Benefits paid		(131,009)		(134,517)		(21,361)		(22,100)
Benefit obligation at end of year	$	1,707,390	$	1,632,286	$	581,904	$	541,241
Fair value of plan assets:
Fair value of plan assets at beginning of year	$	1,385,174	$	1,350,045	$	450,683	$	414,313
Actual return on plan assets		41,388		149,599		(7,478)		50,609
Company contributions		130,983		20,047		18,616		9,291
Plan participants’ contributions		-		-		1,868		1,962
Foreign currency changes		-		-		(3,480)		(3,392)
Benefits paid		(131,009)		(134,517)		(21,361)		(22,100)
Fair value of plan assets at end of year	$	1,426,536	$	1,385,174	$	438,848	$	450,683
Funded status	$	(280,854)	$	(247,112)	$	(143,056)	$	(90,558)
Amounts recognized in the Consolidated Balance Sheets:
Non-current asset	$	40	$	29	$	888	$	508
Current liability		(11,323)		(6,962)		(852)		(901)
Non-current liability		(269,571)		(240,179)		(143,092)		(90,165)
Net amount recognized	$	(280,854)	$	(247,112)	$	(143,056)	$	(90,558)

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

	United States				Foreign
	2011		2010		2011		2010
Projected benefit obligation	$	1,705,732	$	1,630,712	$	579,646	$	538,637
Accumulated benefit obligation	$	1,682,392	$	1,601,746	$	541,723	$	502,317
Fair value of plan assets	$	1,424,837	$	1,383,571	$	435,702	$	447,569

Schedule Of Costs of Retirement Plans [Table Text Block]

The components of net periodic pension cost for defined benefit pension plans are as follows:
	United States						Foreign
	2011		2010		2009		2011		2010		2009
Service cost	$	19,450	$	23,157	$	24,274	$	7,310	$	6,907	$	6,853
Interest cost		87,738		89,602		93,997		28,329		27,507		25,200
Expected return on plan assets		(123,058)		(123,095)		(120,662)		(31,784)		(28,838)		(27,193)
Amortization of transition cost		-		-		-		(10)		(9)		(61)
Amortization of prior service (cost) credit		147		(2,575)		(2,547)		170		214		446
Recognized net actuarial loss		37,522		32,343		26,063		11,135		10,205		2,486
Special termination benefits		1,489		8,148		112		277		291		2,385
Settlement / curtailment		3,036		10,712		4,107		274		1,285		202
Net periodic benefit cost (1)	$	26,324	$	38,292	$	25,344	$	15,701	$	17,562	$	10,318

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

	United States				Foreign
	2011		2010		2011		2010
Curtailments effects and settlements	$	(95)	$	(4,290)	$	(274)	$	(464)
Net actuarial loss		176,164		13,467		67,934		5,748
Prior service credit		-		-		-		(3,790)
Amortization of net actuarial (loss) gain		(37,522)		(32,343)		(11,135)		5,440
Amortization of prior service (cost) credit		(147)		2,575		(170)		(214)
Net transitional obligation (asset)		-		-		9		(86)
Total recognized in other comprehensive income	$	138,400	$	(20,591)	$	56,364	$	6,634

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

	2011	2010	2009
United States
Used to determine benefit obligations
Discount rate	4.95%	5.60%	5.75%
Rate of compensation increase	3.50%	3.50%	3.50%
Used to determine net periodic benefit costs
Discount rate	5.60%	5.75%	6.05%
Expected return on plan assets	8.00%	8.00%	8.00%
Rate of compensation increase	3.50%	3.50%	4.25%
Foreign
Used to determine benefit obligations
Discount rate	1.80% - 6.10%	2.25% - 5.50%	2.25% - 6.00%
Rate of compensation increase	2.10% - 4.60%	2.50% - 5.50%	2.50% - 5.60%
Used to determine net periodic benefit costs
Discount rate	2.00% - 5.50%	2.25% - 6.00%	2.25% - 6.60%
Expected return on plan assets	4.00% - 7.75%	4.50% - 7.75%	4.49% - 7.75%
Rate of compensation increase	2.10% - 5.50%	2.50% - 5.60%	2.50% - 5.10%

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

	Target Allocation	Percentage of Plan Assets at December 31,
Asset category	2012	2011	2010
U.S. equities	19%	18%	37%
Non-U.S. equities	19%	16%	20%
Fixed income	50%	56%	34%
Real estate	4%	4%	4%
Private equity	8%	6%	5%
Total	100%	100%	100%

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

	Target Allocation	Percentage of Plan Assets at December 31,
Asset category	2012	2011	2010
U.K. equities	32%	34%	33%
Non-U.K. equities	33%	28%	35%
Fixed income	35%	32%	29%
Cash	-%	6%	3%
Total	100%	100%	100%

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

	U.S. Pension Plans - Fair Value Measurements at December 31, 2011
	Level 1		Level 2		Level 3		Total
Assets:
Investment securities
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
Corporate debt securities		-		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 fund *		-		119,528		-		119,528
Total assets	$	278,714	$	1,123,960	$	150,490	$	1,553,164

	U.S. Pension Plans - Fair Value Measurements at December 31, 2010
	Level 1		Level 2		Level 3		Total
Assets:
Investment securities
Money market funds	$	-	$	20,571	$	-	$	20,571
Equity securities		431,098		346,126		-		777,224
Debt securities - U.S. and foreign governments, agencies, and municipalities		104,097		9,878		-		113,975
Corporate debt securities		-		172,722		-		172,722
Mortgage-backed securities		-		156,516		5,389		161,905
Asset-backed securities		-		18,698		-		18,698
Private equity		-		-		69,495		69,495
Real estate		-		-		52,553		52,553
Derivatives		21		-		-		21
Securities lending fund *		-		158,155		-		158,155
Total assets	$	535,216	$	882,666	$	127,437	$	1,545,319
Liabilities:
Investment securities
Derivatives	$	51	$	-	$	-	$	51
Total liabilities	$	51	$	-	$	-	$	51

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

	Foreign Pension Plans - Fair Value Measurements at December 31, 2010
	Level 1		Level 2		Level 3		Total
Assets:
Investment securities
Equity securities	$	128,859	$	164,389	$	-	$	293,248
Commingled fixed income securities		-		52,330		-		52,330
Debt securities - U.S. and foreign governments, agencies, and municipalities		10,751		27,189		-		37,940
Corporate debt securities		-		49,223		-		49,223
Derivatives		88		6,500		-		6,588
Total assets	$	139,698	$	299,631	$	-	$	439,329
Liabilities:
Investment securities
Derivatives	$	-	$	6,873	$	-	$	6,873
Total liabilities	$	-	$	6,873	$	-	$	6,873

	Foreign Pension Plans - Fair Value Measurements at December 31, 2011
	Level 1		Level 2		Level 3		Total
Assets:
Investment securities
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
Corporate debt securities		-		7,150		-		7,150
Derivatives		-		7,164		-		7,164
Total assets	$	126,873	$	299,948	$	-	$	426,821
Liabilities:
Investment securities
Derivatives	$	-	$	6,782	$	-	$	6,782
Total liabilities	$	-	$	6,782	$	-	$	6,782

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

	MBS		Private equity		Real estate		Total
Balance at December 31, 2010	$	5,389	$	69,495	$	52,553	$	127,437
Realized gains / (losses)		(24)		(11)		69		34
Unrealized gains / (losses)		(180)		9,652		7,825		17,297
Net purchases, sales and settlements		(1,483)		9,734		(2,529)		5,722
Balance at December 31, 2011	$	3,702	$	88,870	$	57,918	$	150,490

Schedule Of Reconciliation of Plan Assets to Fair Value Measurements Hierarchy [Table Text Block]

	United States		Foreign
Fair Value of Plan Assets	$	1,426,536	$	438,848
Cash		(1,108)		(16,424)
Securities lending fund liability		119,528		-
Other		8,208		4,397
Fair Value Per Measurements Hierarchy	$	1,553,164	$	426,821

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

	December 31,
	2011		2010
Benefit obligation:
Benefit obligations at beginning of year	$	280,386	$	254,405
Service cost		3,328		3,724
Interest cost		13,528		13,828
Plan participants’ contributions		8,861		9,182
Actuarial loss		20,792		33,983
Foreign currency changes		(648)		1,061
Benefits paid		(43,964)		(43,563)
Curtailment		3,245		7,575
Special termination benefits		300		191
Benefit obligations at end of year	$	285,828	$	280,386
Fair value of plan assets:
Fair value of plan assets at beginning of year	$	-	$	-
Company contribution		35,103		34,381
Plan participants’ contributions		8,861		9,182
Gross benefits paid		(43,964)		(43,563)
Fair value of plan assets at end of year	$	-	$	-
Funded status	$	(285,828)	$	(280,386)
Amounts recognized in the Consolidated Balance Sheets:
Current liability	$	(28,855)	$	(29,374)
Non-current liability		(256,973)		(251,012)
Net amount recognized	$	(285,828)	$	(280,386)
Pre-tax amounts recognized in AOCI consist of:
Net actuarial loss	$	115,713	$	102,910
Prior service credit		(5,696)		(5,886)
Total	$	110,017	$	97,024

Schedule Of Net Periodic Benefit Cost For Postretirement Benefit Plans [Table Text Block]

The components of net periodic benefit cost for nonpension postretirement benefit plans are as follows:
	2011		2010		2009
Service cost	$	3,328	$	3,724	$	3,424
Interest cost		13,528		13,828		14,437
Amortization of prior service benefit		(2,504)		(2,511)		(2,475)
Recognized net actuarial loss		7,666		6,793		4,092
Curtailment		2,839		6,954		-
Special termination benefits		300		191		-
Net periodic benefit cost (1)	$	25,157	$	28,979	$	19,478

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

	2011		2010
Net actuarial loss	$	22,201	$	34,059
Amortization of net actuarial loss		(9,980)		(6,793)
Amortization of prior service credit		2,504		2,511
Adjustment for actual Medicare Part D Premium		(2,040)		979
Curtailment		308		621
Total recognized in other comprehensive income	$	12,993	$	31,377
The estimated amounts that will be amortized from AOCI into net periodic benefit costs in 2012 are as follows:
Net actuarial loss	$	9,456
Prior service credit		(2,092)
Total	$	7,364

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

	2011		2010		2009
Discount rate used to determine benefit obligation
U.S.		4.50%		5.15%		5.35%
Canada		4.15%		5.15%		5.85%
Discount rate used to determine net periodic benefit cost
U.S.		5.15%		5.35%		5.95%
Canada		5.15%		5.85%		6.60%

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

	1% Increase		1% Decrease
Effect on total of service and interest cost components	$	615	$	(520)
Effect on postretirement benefit obligations	$	10,208	$	(8,859)

Schedule of Expected Benefit Payments [Table Text Block]

	Pension Benefits		Nonpension Benefits (1)
2012	$	147,108	$	29,527
2013		125,404		27,887
2014		126,052		26,583
2015		128,463		25,245
2016		130,009		24,272
2017-2021		666,672		105,199
	$	1,323,708	$	238,713