Benefits (Details) (USD $)	12 Months Ended									12 Months Ended		3 Months Ended			3 Months Ended
	Jun. 25, 2011		Jun. 26, 2010	Jun. 30, 2012 Scenario, Forecast [Member]		Jun. 25, 2011 Scenario, Forecast [Member]	Jun. 25, 2011 Retirees and Beneficiaries [Member]	Jun. 26, 2010 Retirees and Beneficiaries [Member]	Jun. 25, 2011 Non-Pension Benefits [Member]	Jun. 27, 2009 Chief Executive Officer [Member]	Jun. 30, 2007 Chief Executive Officer [Member]	Jun. 27, 2009 Defined Benefit Postretirement Life Insurance [Member]	Jun. 25, 2011 Defined Benefit Postretirement Life Insurance [Member]	Jun. 26, 2010 Defined Benefit Postretirement Life Insurance [Member]	Sep. 29, 2007 EITF 06-4 [Member]
Defined contribution plan 401(k)
Employer matching percentage of employee contributions up to 3% of employee eligible compensation	100.00%
Maximum percentage of employee eligible compensation with 100% matching contributions by employer	3.00%
Employer matching percentage of additional employee contributions up to 5% of employee eligible compensation	50.00%
Maximum percentage of employee eligible compensation with 50% matching contributions by employer	5.00%
Defined contribution expense	$ 6,000,000
Postemployment benefits, period expense										(2,400,000)	3,100,000
Postemployment benefits obligation	4,800,000		5,600,000
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries							(9,989,000)	(9,239,000)
Funded status at end of year	(9,989,000)		(9,239,000)
Actuarial loss	521,000
Amounts Recognized in Accumulated Other Comprehensive Income:
Net actuarial loss	7,484,000		7,327,000
Amounts recognized in Accumulated Other Comprehensive Income	7,484,000		7,327,000
Net Periodic Postretirement Benefit Cost/(Income):
Interest cost	471,000			500,000
Amortization of net actuarial loss	364,000	[1]		388,000	[1]
Total net periodic postretirement benefit cost	835,000			888,000
Employer contributions, current period	241,000
Estimated employer contributions in next fiscal year						388,000
Economic Assumptions:
Benefit obligation, discount rate			5.20%			5.10%
Medical trend
Description of direction and pattern of change for assumed medical trend rate	9.5% in 2012, declining to 5% at the rate of 0.5%/yr.		10.0% in 2011, declining to 5% at the rate of 0.5%/yr.
Medical trend rate	9.50%		10.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	5.00%		5.00%
Annual rate of decrease assumed for future years	(0.50%)		(0.50%)
Dental Trend	5.00%		5.00%
Average remaining life expectancy	P16.7Y
Estimated future benefit payments
2012									388,000
2013									428,000
2014									469,000
2015									508,000
2016									546,000
Thereafter									7,650,000
Total									9,989,000
Cumulative reduction in retained earnings from adoption of ASC 715															14,100,000
Tax benefit from cumulative reduction in retained earnings from adoption of ASC 715															0
Contracted split-dollar life insurance policy settlement												6,400,000
Assets for plan benefits included in Other Assets													2,900,000	2,700,000
Obligations included in Other Liabilities													$ 4,400,000	$ 4,200,000

[1] Unrecognized losses are amortized over an average remaining life expectancy of 16.7 years at June 25, 2011.