Share-Based Awards (Tables)

9 Months Ended

Sep. 27, 2019

Share-based Payment Arrangement, Additional Disclosure [Abstract]

Options Activity and Outstanding

Options on common shares granted and outstanding, as well as the weighted average exercise price, are shown below (in thousands, except exercise prices):

	Option Shares		Weighted Average Exercise Price		Options Exercisable	Weighted Average Exercise Price
Outstanding, December 28, 2018	12,270		$	24.67	7,312	$	20.17
Granted	1,285		45.91
Exercised	(1,364	)	15.73
Canceled	(35	)	32.09
Outstanding, September 27, 2019	12,156		$	27.89	7,620	$	23.08

Options Fair Value Inputs

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions and results:

	Nine Months Ended
	September 27, 2019			September 28, 2018
Expected life in years	7.5			7.5
Interest rate	2.6		%	2.8		%
Volatility	24.6		%	25.5		%
Dividend yield	1.4		%	1.2		%
Weighted average fair value per share	$	12.26		$	12.84

ESPP Fair Value Inputs

The benefit of the 15 percent discount from the lesser of the fair market value per common share on the first day and the last day of the plan year was added to the fair value of the employees’ purchase rights determined using the Black-Scholes option-pricing model with the following assumptions and results:

	Nine Months Ended
	September 27, 2019			September 28, 2018
Expected life in years	1.0			1.0
Interest rate	2.6		%	2.1		%
Volatility	22.7		%	21.3		%
Dividend yield	1.4		%	1.2		%
Weighted average fair value per share	$	11.36		$	10.28