Capital Stock (Tables)

12 Months Ended

Dec. 28, 2013

Equity [Abstract]

Summary of Restricted Stock Activity

The following table summarizes our restricted stock activity for the three years ended December 28, 2013:

	Shares			Weighted Average Price
Balance at December 25, 2010		45,000		$	7.84
Granted		178,800		$	19.12
Vested		(9,000	)	$	7.84
Cancelled		(10,000	)	$	19.40
Balance at December 31, 2011		204,800		$	17.12
Granted		15,000		$	26.70
Vested		(45,646	)	$	16.84
Balance at December 29, 2012		174,154		$	18.02
Granted		25,500		$	45.06
Vested		(47,069	)	$	17.38
Cancelled		(43,126	)	$	18.28
Balance at December 28, 2013		109,459		$	24.47

Summary of Valuation Assumptions Used to Calculate Fair Value of Options Granted

The following table summarizes the valuation assumptions used to calculate the fair value of options granted:

	2012
Expected dividend yield		0	%
Expected stock price volatility		59	%
Risk-free interest rate		0.9	%
Expected life of options		4.7 years

Summary of Stock Option Activity

The following table summarizes our stock option stock option activity for the three years ended December 28, 2013:

	Shares			Option Price per Share		Weighted Average Price		Weighted Average Remaining Terms (years)		Aggregate Intrinsic Value
Balance at December 25, 2010		990,900		$	0.47 – $19.37	$	4.54
Exercised		(298,100	)	$	0.47 – $  7.74	$	2.41
Balance at December 31, 2011		692,800		$	2.00 – $19.37	$	5.46
Granted		20,000			$22.71	$	22.71
Exercised		(438,800	)	$	2.00 – $  7.74	$	4.27
Balance at December 29, 2012		274,000		$	2.54 – $22.71	$	8.62
Exercised		(96,500	)	$	2.54 – $22.71	$	7.21
Cancelled		(36,000	)	$	7.74 – $22.71	$	16.98
Balance at December 28,2013		141,500		$	5.05 – $19.37	$	7.13		3.9	$	6,786,000
Options exercisable at December 28, 2013		131,500		$	5.05 – $19.37	$	7.09		3.7	$	6,313,000

Summary of Information Concerning Currently Outstanding and Exercisable Options

The following table summarizes information concerning currently outstanding and exercisable options at December 28, 2013:

	Options Outstanding						Options Exercisable
Range of Exercise Price	Number Outstanding		Weighted- Average Remaining Contractual Life (years)		Weighted- Average Exercise Price		Number Exercisable		Weighted- Average Exercise Price
$  5.05 – $5.67		29,000		4.9	$	5.65		29,000	$	5.65
$  6.24 – $6.90		87,500		2.9	$	6.65		87,500	$	6.65
$  7.74		19,000		6.0	$	7.74		9,000	$	7.74
$19.37		6,000		7.0	$	19.37		6,000	$	19.37
Balance at December 28, 2013		141,500		3.9	$	7.13		131,500	$	7.09