Common Stock and Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Stock Options under Equity Plan and Non-Employee Director Plan

Information related to stock options under the Equity Plan and the Non-Employee Director Plan is summarized as follows:

	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term in Years		Aggregate Intrinsic Value
								(In thousands)
Outstanding at December 25, 2010		1,818,684		$	33.16
Granted		258,200			92.11
Forfeited		(3,720	)		66.43
Expired		—			—
Exercised		(164,500	)		24.97
Outstanding at December 31, 2011		1,908,664		$	41.78		6.09	$	127,467
Exercisable at December 31, 2011		545,620		$	29.53		4.42	$	43,119
Vested and expected to vest at December 31, 2011		1,714,265		$	41.71		5.98	$	114,604

Stock-Based Compensation Expense included in Operating Expenses

The following table provides information regarding stock-based compensation expense included in operating expenses in the accompanying consolidated statements of income:

	2011 (53 weeks)		2010			2009
	(In thousands)
Amounts included in advertising, promotional and selling expenses	$	2,236	$	1,116		$	1,010
Amounts included in general and administrative expenses		3,942		2,008	*		3,096
Total stock-based compensation expense	$	6,178	$	3,124		$	4,106
Amounts related to performance-based stock options included in total stock-based compensation expense	$	973	$	(193	)*	$	1,245

Weighted Average Assumptions used to Estimate Fair Value of Stock Options

Weighted average assumptions used to estimate fair values of stock options on the date of grants are as follows:

	2011			2010			2009
	(Binomial Model)			(Binomial Model)			(Binomial Model)
Expected volatility		34.6	%		34.3	%		34.3	%
Risk-free interest rate		3.30	%		3.65	%		3.00	%
Expected dividends		0	%		0	%		0	%
Exercise factor		2.2 times			2.0 times			1.7 times
Discount for post-vesting restrictions		1.1	%		1.7	%		5.4	%

Summary of Estimated Future Annual Stock-Based Compensation Expense

The following table summarizes the estimated future annual stock-based compensation expense related to share-based arrangements existing as of December 31, 2011 that are expected to vest (in thousands):

2012	$	4,000
2013		3,364
2014		2,728
2015		2,298
2016		808
Thereafter		1,513
Total	$	14,711

Summary of Vesting Activities for Investment Share Program and Restricted Stock Awards

The following table summarizes vesting activities of shares issued under the investment share program and restricted stock awards:

	Number of Shares			Weighted Average Fair Value
Non-vested at December 25, 2010		173,226		$	28.36
Granted		30,672			70.20
Vested		(54,288	)		27.19
Forfeited		(8,219	)		39.18
Non-vested at December 31, 2011		141,391		$	37.25

Stock Repurchases

As of December 31, 2011, the Company has repurchased a cumulative total of approximately 10.5 million shares of its Class A Common Stock for an aggregate purchase price of approximately $251.9 million as follows:

	Number of Shares		Aggregate Purchase Price
			(In thousands)
Repurchased at December 27, 2008		8,460,949	$	114,011
2009 repurchases		208,846		7,080
Repurchased at December 26, 2009		8,669,795		121,091
2010 repurchases		1,101,708		67,981
Repurchased at December 25, 2010		9,771,503		189,072
2011 repurchases		760,036		62,824
Repurchased at December 31, 2011		10,531,539	$	251,896