Retirement and Postretirement Benefit Plans (Tables)

12 Months Ended

Feb. 29, 2012

Defined Benefit Plan Disclosure [Line Items]

Components of net periodic benefit cost and changes recognized in other comprehensive income

	2012			2011			2010
Components of net periodic benefit cost:
Service cost	$	726		$	2,290		$	2,365
Interest cost		3,929			6,014			7,359
Expected return on plan assets		(4,310	)		(4,503	)		(4,107	)
Amortization of prior service credit		(2,461	)		(7,712	)		(7,418	)
Amortization of actuarial (gain) loss		(766	)		1,078			2,386
Net periodic benefit cost		(2,882	)		(2,833	)		585
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Actuarial gain		(5,115	)		(21,265	)		(21,723	)
Prior service credit added during the year		-			(7,263	)		-
Amortization of actuarial loss (gain)		766			(1,078	)		(2,386	)
Amortization of prior service credit		2,461			7,712			7,418
Total recognized in other comprehensive income		(1,888	)		(21,894	)		(16,691	)
Total recognized in net periodic benefit cost and other comprehensive income	$	(4,770	)	$	(24,727	)	$	(16,106	)

Summary of the fair value of the defined benefit pension plan assets

	Fair value at February 29, 2012		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)
U.S. plans:
Short-term investments	$	710	$	-	$	710
Equity securities (collective funds)		41,322		-		41,322
Fixed-income funds		39,510		-		39,510
International plans:
Short-term investments		1,163		-		1,163
Equity securities (collective funds)		7,753		-		7,753
Fixed-income funds		15,883		-		15,883
Total:	$	106,341	$	-	$	106,341

	Fair value at February 28, 2011		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)
U.S. plans:
Short-term investments	$	689	$	-	$	689
Equity securities (collective funds)		42,776		-		42,776
Fixed-income funds		40,717		-		40,717
International plans:
Short-term investments		639		-		639
Equity securities (collective funds)		7,191		-		7,191
Fixed-income funds		15,869		-		15,869
Total:	$	107,881	$	-	$	107,881

	Fair value at February 29, 2012		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)
Short-term investments	$	849	$	-	$	849
Equity securities (common stocks)		17,245		17,245		-
Fixed-income funds		39,469		-		39,469
Total:	$	57,563	$	17,245	$	40,318

	Fair value at February 28, 2011		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)
Short-term investments	$	1,176	$	-	$	1,176
Equity securities (common stocks)		29,229		29,229		-
Fixed-income funds		36,530		-		36,530
Total:	$	66,935	$	29,229	$	37,706

Summary of information on the defined benefit pension plans and postretirement benefits plan

	Pension Plans				Postretirement Benefits
	2012		2011		2012		2011
Change in benefit obligation:
Benefit obligation at beginning of year	$	170,160	$	162,845	$	91,035	$	110,921
Service cost		1,106		957		726		2,290
Interest cost		8,353		8,757		3,929		6,014
Participant contributions		29		28		4,585		4,165
Retiree drug subsidy payments		-		-		1,072		1,670
Plan amendments		924		198		-		(7,263)
Actuarial loss (gain)		15,310		5,825		(10,726)		(18,639)
Benefit payments		(11,036)		(10,567)		(8,277)		(8,123)
Settlements		-		52		-		-
Currency exchange rate changes		(502)		2,065		-		-
Benefit obligation at end of year		184,344		170,160		82,344		91,035
Change in plan assets:
Fair value of plan assets at beginning of year		107,881		102,092		66,935		66,928
Actual return on plan assets		7,172		11,311		(1,301)		7,130
Employer contributions		2,736		3,187		(4,379)		(3,165)
Participant contributions		29		28		4,585		4,165
Benefit payments		(11,036)		(10,567)		(8,277)		(8,123)
Settlements		-		52		-		-
Currency exchange rate changes		(441)		1,778		-		-
Fair value of plan assets at end of year		106,341		107,881		57,563		66,935
Funded status at end of year	$	(78,003)	$	(62,279)	$	(24,781)	$	(24,100)

Summary of amounts recognized on the Consolidated Statement of Financial Position

	Pension Plans						Postretirement Benefits
	2012			2011			2012			2011
Accrued compensation and benefits	$	(2,257	)	$	(2,347	)	$	-		$	-
Other liabilities		(75,746	)		(59,932	)		(24,781	)		(24,101	)
Net amount recognized	$	(78,003	)	$	(62,279	)	$	(24,781	)	$	(24,101	)
Amounts recognized in accumulated other comprehensive income:
Net actuarial loss (gain)	$	69,632		$	56,938		$	(3,081	)	$	1,268
Net prior service cost (credit)		1,531			847			(8,855	)		(11,316	)
Net transition obligation		37			43			-			-
Accumulated other comprehensive loss (income)	$	71,200		$	57,828		$	(11,936	)	$	(10,048	)

Summary of significant weighted-average assumptions to determine benefit obligations and net periodic benefit cost

	Pension Plans		Postretirement Benefits
	2012	2011	2012	2011
Weighted average discount rate used to determine:
Benefit obligations at measurement date
U.S.	4.00-4.25%	5.25%	4.00%	5.50%
International	4.45%	5.15%	N/A	N/A
Net periodic benefit cost
U.S.	5.25%	5.50-5.75%	5.50%	5.75%
International	5.15%	5.50%	N/A	N/A
Expected long-term return on plan assets:
U.S.	7.00%	7.00%	7.00%	7.00%
International	5.50%	5.50%	N/A	N/A
Rate of compensation increase:
U.S.	6.50%	6.50%	N/A	N/A
International	3.00%	3.00%	N/A	N/A
Health care cost trend rates:
For year following February 28 or 29	N/A	N/A	9.50%	10.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	N/A	N/A	5.00%	5.00%
Year the rate reaches the ultimate trend rate	N/A	N/A	2021	2021

	2012			2011			2010
Components of net periodic benefit cost:
Service cost	$	1,106		$	957		$	730
Interest cost		8,353			8,757			9,279
Expected return on plan assets		(6,858	)		(6,588	)		(5,637	)
Amortization of transition obligation		6			6			6
Amortization of prior service cost		240			178			261
Amortization of actuarial loss		2,126			133			1,942
Settlements		-			(3	)		126
Net periodic benefit cost		4,973			3,440			6,707
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Actuarial loss		14,996			1,175			6,069
Prior service cost		924			198			53
Amortization of prior service cost		(240	)		(178	)		(261	)
Amortization of actuarial loss		(2,126	)		(133	)		(1,942	)
Amortization of transition obligation		(6	)		(6	)		(6	)
Settlements		-			3			(126	)
Total recognized in other comprehensive income		13,548			1,059			3,787
Total recognized in net periodic benefit cost and other comprehensive income	$	18,521		$	4,499		$	10,494

Effect of one percentage point change in assumed health care cost trend rates

		$177,489			$177,489
	2012			2011
Effect of a 1% increase in health care cost trend rate on:
Service cost plus interest cost	$	210		$	915
Accumulated postretirement benefit obligation		3,854			7,571
Effect of a 1% decrease in health care cost trend rate on:
Service cost plus interest cost		(184	)		(739	)
Accumulated postretirement benefit obligation		(3,332	)		(6,030	)

Summary of pension plan information

	2012		2011
For all pension plans:
Accumulated benefit obligation	$	177,489	$	164,823
For pension plans that are not fully funded:
Projected benefit obligation		184,041		170,160
Accumulated benefit obligation		177,186		164,823
Fair value of plan assets		106,038		107,881

Summary of assets of plans held in trust

	Pension Plans						Postretirement Benefits
	2012			2011			2012		2011		Target Allocation
Equity securities:
U.S.		51	%		51	%		30%		43%	15%-30%
International		31	%		31	%		N/A		N/A	N/A
Debt securities:
U.S.		48	%		48	%		69%		54%	65%-85%
International		64	%		67	%		N/A		N/A	N/A
Cash and cash equivalents:
U.S.		1	%		1	%		1%		3%	0%-15%
International		5	%		2	%		N/A		N/A	N/A

Details of benefits expected to be paid out

	Pension Plans		Postretirement Benefits
			Excluding Effect  of Medicare Part D Subsidy		Including Effect  of Medicare Part D Subsidy
2013	$	11,024	$	5,325	$	4,610
2014		11,230		5,370		4,703
2015		11,315		5,454		4,730
2016		11,161		5,547		4,754
2017		11,496		5,584		5,390
2018 – 2022		57,264		27,996		27,046