Stock-Based Compensation, Fair Value of Options (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 31, 2011	Dec. 25, 2010
Stock Option [Member]
Weighted-average Assumptions Used for Fair Value of Award Granted [Abstract]
Options granted, weighted average fair value of stock options (per share)	$ 6.05	$ 4.42	$ 5.81	$ 3.81
Stock options [Member]
Weighted-average Assumptions Used for Fair Value of Award Granted [Abstract]
Expected holding period (in years)	5.1	5.1	5.1	5.2
Risk-free interest rate	1.00%	1.30%	1.30%	1.70%
Expected stock price volatility	38.00%	36.30%	38.00%	36.80%
Dividend yield	3.80%	4.80%	3.10%	4.30%
ESP Plan [Member]
Weighted-average Assumptions Used for Fair Value of Award Granted [Abstract]
Expected holding period (in years)	0.5	0.5	0.5	0.5
Risk-free interest rate	0.10%	0.20%	0.10%	0.20%
Expected stock price volatility	32.20%	30.00%	32.20%	30.00%
Dividend yield	3.80%	4.20%	3.80%	4.20%
Restricted stock units [Member]
Weighted-average Assumptions Used for Fair Value of Award Granted [Abstract]
Restricted stock units granted, weighted average grant date fair value (per share)	$ 23.46	$ 20.35	$ 20.05	$ 14.99