Stock-Based Compensation (Tables)

6 Months Ended

Jun. 29, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Plans Activity

A summary of activity under Nucor’s stock option plans for the first six months of 2019 is as follows (in thousands, except years and per share amounts):

				Weighted-		Weighted-
				Average		Average	Aggregate
				Exercise		Remaining	Intrinsic
	Shares			Price		Contractual Life	Value
Number of shares under stock options:
Outstanding at beginning of year		3,828		$	49.71
Granted		489		$	48.00
Exercised		(153	)	$	38.56		$	3,058
Canceled		-		$	-
Outstanding at June 29, 2019		4,164		$	49.92	6.1 years	$	27,194
Stock options exercisable at June 29, 2019		2,914		$	47.13	4.9 years	$	24,130

Schedule of Grant Date Fair Value Black-Scholes Option-Pricing Model Assumptions

For the 2019 stock option grant, the grant date fair value of $8.69 per share was calculated using the Black-Scholes option-pricing model with the following assumptions:

Exercise price	$	48.00
Expected dividend yield		3.33	%
Expected stock price volatility		25.57	%
Risk-free interest rate		2.03	%
Expected life (years)		6.5

Summary of Nucor's RSU Activity

The fair value of an RSU is determined based on the closing price of Nucor’s common stock on the date of the grant. A summary of Nucor’s RSU activity for the first six months of 2019 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock units:
Unvested at beginning of year		1,246		$	59.09
Granted		1,770		$	48.00
Vested		(1,131	)	$	52.47
Canceled		(17	)	$	60.62
Unvested at June 29, 2019		1,868		$	52.58

Summary of Nucor's Restricted Stock Activity under AIP and LTIP

A summary of Nucor’s restricted stock activity under the AIP and the LTIP for the first six months of 2019 is as follows (shares in thousands):

				Grant Date
	Shares			Fair Value
Restricted stock units and restricted stock awards:
Unvested at beginning of year		130		$	62.97
Granted		316		$	58.04
Vested		(287	)	$	58.70
Canceled		-		$	-
Unvested at June 29, 2019		159		$	60.87