Pension Plans - Net Periodic Pension Cost Components (Details) (USD $)	4 Months Ended		12 Months Ended		12 Months Ended		4 Months Ended
	Sep. 18, 2012	Sep. 20, 2011	May 29, 2012	May 28, 2013 Scenario, forecast	May 28, 2013 Minimum Scenario, forecast	May 28, 2013 Maximum Scenario, forecast	Sep. 18, 2012 Golden Corral, disposal group	Sep. 20, 2011 Golden Corral, disposal group
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 555,000	$ 591,000
Interest cost	533,000	576,000
Expected return on plan assets	(614,000)	(635,000)
Amortization of prior service cost	(2,000)	1,000
Recognized net actuarial loss	527,000	269,000
Settlement loss	0	46,000
Net periodic pension cost	999,000	848,000	2,746,000		3,200,000	3,300,000	0	142,000
Weighted average discount rate	4.25%	5.25%
Weighted average rate of compensation increase	4.00%	4.00%
Weighted average expected long-term rate of return on plan assets	7.50%	7.50%
Defined Benefit Plan, Changes to Net Periodic Pension Cost [Abstract]
Effect of decrease in discount rate on net periodic pension cost				$ 135,000