Stock-Based Compensation (Tables)

12 Months Ended

Dec. 26, 2020

Share-based Payment Arrangement [Abstract]

Weighted average assumptions used in calculating fair value of stock options

The weighted average of key assumptions used in determining the fair value of options granted and a discussion of the methodology used to develop each assumption are as follows:

	2020			2019			2018
Fair value of stock options on grant date	$	6.81		$	8.78		$	9.64
Expected term	7.9 years			7.8 years			7.6 years
Expected price volatility	31.9		%	28.6		%	27.2		%
Risk-free interest rate	0.6		%	2.4		%	2.9		%
Dividend yield	1.7		%	1.4		%	1.3		%

Summary of the stock option activity

A summary of the activity and related information follows:

	Stock Options			Restricted Stock Awards			Performance Stock Awards
(Shares in thousands)	Shares	Weighted Average Exercise Price		Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	939	$	25.05	764	$	31.44	$	298	$	31.08
Granted	28	24.33		120	29.00		197		29.61
Exercised/Released	(158)	15.55		(176)	31.93		—		—
Forfeited	(16)	31.63		(2)	32.36		—		—
End of period	793	$	26.81	706	$	30.89	495		$	30.50