CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Feb. 28, 2012	Mar. 01, 2011
Operating activities:
Net income	$ 5,628	$ 32,962
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	48,939	46,338
Amortization of intangibles	1,550	777
Provision for bad debts	20	437
Deferred income taxes	(5,179)	(1,902)
Loss on impairments, including disposition of assets	12,144	2,786
Equity in losses of unconsolidated franchises		649
Share-based compensation expense	4,448	6,745
Excess tax benefits from share-based compensation	(31)	(599)
Gain on franchise partnership acquisitions, net of settlement losses	(420)	(6,789)
Other	462	724
Changes in operating assets and liabilities:
Receivables	(946)	317
Inventories	1,165	(7,043)
Income taxes	2,367	(3,122)
Prepaid and other assets	(922)	(908)
Accounts payable, accrued and other liabilities	6,807	5,118
Net cash provided by operating activities	76,032	76,490
Investing activities:
Purchases of property and equipment	(29,112)	(18,319)
Acquisition of franchise and other entities		(4,369)
Proceeds from disposal of assets	5,330	4,721
Reductions in Deferred Compensation Plan assets	217	498
Insurance proceeds from property claims	1,548
Other, net	(429)	(899)
Net cash used by investing activities	(22,446)	(18,368)
Financing activities:
Net payments on revolving credit facility	(22,000)	(43,700)
Principal payments on other long-term debt	(14,220)	(14,767)
Stock repurchases	(18,441)
Proceeds from exercise of stock options	184	1,903
Excess tax benefits from share-based compensation	31	599
Payments for debt issuance costs		(2,812)
Net cash used by financing activities	(54,446)	(58,777)
Decrease in cash and short-term investments	(860)	(655)
Cash and short-term investments:
Beginning of year	9,722	9,569
End of year	8,862	8,914
Cash paid/(received) for:
Interest, net of amount capitalized	12,195	7,874
Income taxes, net	1,571	6,911
Significant non-cash investing and financing activities:
Retirement of fully depreciated assets	14,606	13,393
Reclassification of properties to assets held for sale or receivables	40,808	3,851
Assumption of debt and capital leases related to franchise partnership acquisitions		128,594
Liability for claim settlements and insurance receivables	$ (260)	$ (2,189)