Stock-Based Compensation (Tables)

6 Months Ended

Jun. 15, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Weighted-Average Assumptions to Estimated Fair Value of Stock Options Granted

The Company estimated the fair value of employee stock options on the date of grant using the Black-Scholes model. The estimated weighted-average fair value for each option granted was $10.41 and $10.72 for the 24 weeks ended June 15, 2013 and June 16, 2012, respectively, with the following weighted-average assumptions:


	12 Weeks Ended						24 weeks Ended
	June 15, 2013			June 16, 2012			June 15, 2013			June 16, 2012
Expected market price volatility ⁽¹⁾		32.3	%		37.1	%		33.3	%		37.8	%
Risk-free interest rate ⁽²⁾		0.5	%		0.6	%		0.6	%		0.6	%
Dividend yield ⁽³⁾		1.1	%		1.3	%		1.2	%		1.3	%
Expected term ⁽⁴⁾		4 years			4 years			4 years			4 years

(1)	Based on historical volatility of the Company’s common stock. The expected volatility is based on the daily percentage change in the price of the stock over the four years prior to the grant.

(2)	Represents the U.S. Treasury yield curve in effect for the expected term of the option at the time of grant.

(3)	Represents the Company’s cash dividend yield for the expected term.

(4)	Represents the period of time that options granted are expected to be outstanding. As part of the determination of the expected term, the Company concluded that all employee groups exhibit similar exercise and post-vesting termination behavior.