Share-Based Compensation (Tables)

9 Months Ended

Oct. 27, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Allocation Of Stock-Based Compensation

Pre-tax share-based compensation was included in the Statements of Income as follows:

	Three Months Ended				Nine Months Ended
(in thousands)	October 27, 2019		October 28, 2018		October 27, 2019		October 28, 2018
Net sales offset	$	—	$	—	$	—	$	21,501
Cost of sales	552		477		1,381		1,110
Selling, general and administrative	5,341		8,478		19,767		31,318
Product development and engineering	2,874		2,511		7,593		7,018
Total share-based compensation	$	8,767	$	11,466	$	28,741	$	60,947

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.

	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