Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 29, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock Valuation Assumptions

The following assumptions were used in the valuation of stock options granted in 2020:

	2020
Expected volatility	23.7%
Risk-free interest rate range	1.50% to 1.75%
Expected life in years	6.6
Expected dividend yield	—

Stock Option Transactions for Employee Stock Option Plans

Stock option transactions for the first quarter of 2020 are summarized as follows:

	2020
	First Quarter
	Shares	Weighted Average Exercise Price
Beginning balance	1,988,576	$	130.66
Granted	246,453	$	383.18
Exercised	(91,407)	$	111.94
Canceled	(8,526)	$	203.69
Ending balance	2,135,096	$	160.32
Options exercisable at end of period	1,532,304	$	112.96

Schedule of Restricted Stock Activity

The following table shows the restricted stock activity for the first three months of 2020:

	Shares	Weighted average fair value per share
Balance, December 29, 2019	56,412	$	158.62
Granted	10,080	$	360.33
Vested	(23,087)	$	114.74
Balance, March 29, 2020	43,405	$	228.80