Common Stock and Share-Based Compensation (Tables)

12 Months Ended

Dec. 29, 2012

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 31, 2011		1,908,664		$	41.78
Granted		59,967			103.61
Forfeited		(4,550	)		95.09
Expired		—			—
Exercised		(245,965	)		23.29
Outstanding at December 29, 2012		1,718,116		$	46.44		5.56	$	148,684
Exercisable at December 29, 2012		409,272		$	36.70		4.64	$	39,404
Vested and expected to vest at December 29, 2012		1,551,968		$	46.89		5.51	$	133,610

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:

	2012		2011 (53 weeks)		2010
	(in thousands)
Amounts included in advertising, promotional and selling expenses	$	2,452	$	2,236	$	1,116
Amounts included in general and administrative expenses		4,076		3,942		2,008	*
Total stock-based compensation expense	$	6,528	$	6,178	$	3,124
Amounts related to performance-based stock options included in total stock-based compensation expense	$	645	$	973	$	(193	)*

* Net of a reversal of approximately $872,000 of expense related to a performance-based option to purchase 120,000 shares granted to the Chief Executive Officer in 2005.

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:

	2012			2011			2010
Expected volatility		34.1	%		34.6	%		34.3	%
Risk-free interest rate		1.86	%		3.30	%		3.65	%
Expected dividends		0	%		0	%		0	%
Exercise factor		2.9 times			2.2 times			2.0 times
Discount for post-vesting restrictions		0.8	%		1.1	%		1.7	%

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 29, 2012 that are expected to vest (in thousands):

2013	$	4,342
2014		3,404
2015		2,821
2016		1,462
2017		638
Thereafter		1,068
Total	$	13,735

Summary of Vesting Activities of Shares Issued Under 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 31, 2011		141,391		$	37.25
Granted		29,735			81.58
Vested		(49,356	)		34.55
Forfeited		(6,938	)		49.91
Non-vested at December 29, 2012		114,832		$	51.67

Stock Repurchases

As of December 29, 2012, the Company has repurchased a cumulative total of approximately 10.7 million shares of its Class A Common Stock for an aggregate purchase price of approximately $269.9 million as follows:

	Number of Shares		Aggregate Purchase Price
			(in thousands)
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
2012 repurchases		165,192		18,046
Repurchased at December 29, 2012		10,696,731	$	269,942