Capital Stock (Tables)

12 Months Ended

Dec. 25, 2021

Schedule of Weighted Average Valuation Assumptions Used to Calculate Fair Value Granted

The following table summarizes the weighted average valuation assumptions used to calculate the fair value of options granted and the associated weighted-average grant-date fair values:

	For the Year Ended
	December 25, 2021			December 26, 2020			December 28, 2019
Expected dividend yield		0	%		0	%		0	%
Expected stock price volatility		34	%		29	%		28	%
Risk-free interest rate		0.7	%		0.8	%		2.3	%
Expected life of options	5.3 years			5.3 years			5.4 years
Weighted-average grant-date fair value	$	31.68		$	17.84		$	24.32

Summary of Restricted Stock Awards and Restricted Stock Unit Activity

The following table summarizes our RSA and RSU activity for the three years ended December 25, 2021: 

	Shares			Weighted Average Fair Value
Balance at December 29, 2018		170,737		$	63.94
Granted		92,396		$	81.92
Vested		(41,586	)	$	55.72
Canceled		(44,056	)	$	58.03
Balance at December 28, 2019		177,491		$	76.70
Granted		83,875		$	64.66
Vested		(27,477	)	$	71.25
Canceled		(16,154	)	$	76.44
Balance at December 26, 2020		217,735		$	72.77
Granted		81,694		$	106.23
Vested		(45,970	)	$	70.62
Canceled		(46,782	)	$	74.85
Balance at December 25, 2021		206,677		$	85.97

Summary of Stock Option Activity

The following table summarizes our stock option activity for the three years ended December 25, 2021:

	Shares			Option Price per Share	Weighted Average Price		Weighted Average Remaining Terms (years)		Aggregate Intrinsic Value (in thousands)
Balance at December 29, 2018		188,469		$7.74 – $82.94	$	66.14
Granted		44,025		$73.72 – $84.93	$	81.84
Exercised		(38,009	)	$7.74 – $78.76	$	58.96
Canceled		(12,773	)	$41.59 – $82.94	$	75.52
Balance at December 28, 2019		181,712		$41.59 – $82.94	$	70.78
Granted		109,352		$61.68 – $83.06	$	63.25
Exercised		(31,521	)	$41.59 – $82.94	$	50.77
Canceled		(8,764	)	$61.68 – $74.21	$	65.24
Balance at December 26, 2020		250,779		$41.59 – $84.93	$	70.21
Granted		59,578		$95.98 – $103.61	$	101.36
Exercised		(67,504	)	$41.59 – $82.94	$	70.04
Canceled		(9,457	)	$61.68 – $101.45	$	79.02
Balance at December 25, 2021		233,396		$61.68 – $103.61	$	77.85		5.5	$	6,664
Exercisable at December 25, 2021		70,488		$61.68 – $84.93	$	73.40		4.1	$	2,328

Summary of Shares Repurchase and Cancellation

The following table summarizes the repurchase and cancellation of common stock:

	For the Year Ended
	December 25, 2021		December 26, 2020		December 28, 2019
Shares repurchased and canceled		11,452		23,360		22,380
Total cost of shares repurchased and canceled (in thousands)	$	1,172	$	1,895	$	1,953
Average price per share	$	102.38	$	81.12	$	87.26

The following table summarizes the repurchase and cancellation of common stock:

	For the Years Ended
	December 25, 2021		December 26, 2020		December 28, 2019
Shares repurchased and canceled		605,628		439,275		499,564
Total cost of shares repurchased and canceled (in thousands)	$	61,583	$	36,781	$	39,387
Average price per share	$	101.68	$	83.73	$	78.84

Performance Restricted Stock [Member]

Schedule of Weighted Average Valuation Assumptions Used to Calculate Fair Value Granted

The following table summarizes the weighted average valuation assumptions used to calculate the fair value of total shareholder return performance-based RSAs and performance-based RSUs granted:

	For the Year Ended
	December 25, 2021			December 26, 2020			December 28, 2019
Share price	$	101.45		$	61.68		$	82.03
Expected dividend yield		0.0	%		0.0	%		0.0	%
Expected stock price volatility		38.9	%		31.5	%		27.7	%
Risk-free interest rate		0.2	%		0.9	%		2.5	%
Expected life	2.8 years			2.8 years			2.8 years