Share-Based Compensation (Tables)

3 Months Ended

Apr. 28, 2019

Share-based Compensation [Abstract]

Allocation Of Stock-Based Compensation

The following table summarizes pre-tax share-based compensation included in the Statements of Income for the three months ended April 28, 2019 and April 29, 2018.

	Three Months Ended
(in thousands)	April 28, 2019		April 29, 2018
Revenue offset	$	—	$	21,501
Cost of sales	427		328
Selling, general and administrative	8,344		11,462
Product development and engineering	2,557		2,225
Share-based compensation	$	11,328	$	35,516

Schedule of Share-based Compensation, Restricted Stock Units

The following tables summarize the assumptions used in the Monte Carlo simulation model to determine the fair value of restricted stock units granted in fiscal year 2020 for both Tranche 1 and Tranche 2.

	April 28, 2019
	Tranche 1	Tranche 2
Expected life, in years	1.0	2.1
Estimated volatility	34.3%	34.3%
Dividend yield	—%	—%
Risk-free interest rate	2.5%	2.5%
Weighted average fair value on grant date	$44.32	$33.19