Share-Based Compensation (Tables)

3 Months Ended

Mar. 30, 2013

The Company used the following assumptions for the Black-Scholes option-pricing model to determine the fair value of options granted during the three months ended March 30, 2013 and March 31, 2012:


	For the Three Months Ended
	March 30, 2013			March 31, 2012
Risk-free interest rate		0.55	%		0.66	%
Expected dividend yield		0	%		0	%
Expected option life		4 years			4 years
Expected volatility		48.4	%		50.7	%
Weighted-average expected volatility		48.4	%		50.7	%

Summary of Stock Option Activity

A summary of stock option activity and weighted-average exercise prices for the three months ended March 30, 2013 follows:


	Options			Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value as of March 30, 2013
Outstanding at January 1, 2013		831,504		$	36.31
Granted		238,767			43.78
Forfeited		(35,136	)		44.93
Exercised		(115,158	)		26.58

Outstanding at March 30, 2013		919,977		$	39.23		5.1	$	7,194


Options exercisable at March 30, 2013		455,199		$	31.50		4.0	$	6,438

Summary of Restricted Stock Activity

The following table summarizes the restricted stock and restricted stock unit activity and weighted average grant-date fair values for the three months ended March 30, 2013:


	Shares			Weighted-Average Grant Date Fair Value
Non-vested at January 1, 2013		31,236		$	45.80
Granted		427			44.28
Forfeited		(1,586	)		51.89
Vested		(3,747	)		38.51

Non-vested at March 30, 2013		26,330		$	46.44