Income Taxes (Tables)

12 Months Ended

May 31, 2013

Income Taxes (Tables) [Abstract]

Schedule of Components of the Provision for Income Taxes

			2013		2012		2011
Current provision (benefit)
	Domestic:
		Federal	$	512	$	(120)	$	79
		State and local		86		80		48
	Foreign			170		181		198
				768		141		325
Deferred provision (benefit)
	Domestic:
		Federal		175		947		485
		State and local		(7)		21		12
	Foreign			(42)		-		(9)
				126		968		488
			$	894	$	1,109	$	813

Schedule of Reconciliation of the Statutory Federal Income Tax Rate to the Effective Income Tax Rate

			2013		2012		2011
Statutory U.S. income tax rate			35.0	%	35.0	%	35.0	%
Increase (decrease) resulting from:
	State and local income taxes,
		net of federal benefit	2.1		2.1		1.7
	Other, net		(0.7)		(1.8)		(0.8)
Effective tax rate			36.4	%	35.3	%	35.9	%

Schedule of Significant Components of Deferred Tax Assets and Liabilities

		2013				2012
		Deferred Tax Assets		Deferred Tax Liabilities		Deferred Tax Assets		Deferred Tax Liabilities
Property, equipment,
	leases and intangibles	$	157	$	3,676	$	248	$	3,436
Employee benefits			1,771		11		2,300		11
Self-insurance accruals			533		-		495		-
Other			251		238		338		271
Net operating loss/credit
	carryforwards		298		-		179		-
Valuation allowances			(204)		-		(145)		-
		$	2,806	$	3,925	$	3,415	$	3,718

Schedule of Net Deferred Tax Liabilities

	2013		2012
Current deferred tax asset	$	533	$	533
Noncurrent deferred tax liability		(1,652)		(836)
	$	(1,119)	$	(303)

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

		2013		2012		2011
Balance at beginning of year		$	51	$	69	$	82
	Increases for tax positions taken in the current year		1		2		2
	Increases for tax positions taken in prior years		3		4		6
	Decreases for tax positions taken in prior years		(3)		(35)		(10)
	Settlements		(9)		(3)		(11)
	Increases due to acquisitions		4		15		-
	Decrease from lapse of statute of limitations		(2)		-		-
	Changes due to currency translation		2		(1)		-
Balance at end of year		$	47	$	51	$	69