Stock-Based Compensation (Tables)

6 Months Ended

Jul. 02, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Plans Activity

A summary of activity under Nucor’s stock option plans for the first six months of 2016 is as follows (in thousands, except years and per share amounts):

	Shares			Weighted - Average Exercise Price		Weighted - Average Remaining Contractual Life		Aggregate Intrinsic Value
Number of shares under option:
Outstanding at beginning of year		3,092		$	43.51
Granted		899		$	48.80
Exercised		(52	)	$	35.76			$	744
Canceled		—			—
Outstanding at July 2, 2016		3,939		$	44.82		7.5 years	$	20,560
Options exercisable at July 2, 2016		1,904		$	40.60		5.7 years	$	17,841

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

For the 2016 stock option grant, the grant date fair value of $9.12 per share was calculated using the Black-Scholes option-pricing model with the following assumptions:

Exercise price	$	48.80
Expected dividend yield		3.07	%
Expected stock price volatility		26.14	%
Risk-free interest rate		1.67	%
Expected life (years)		6.5

Summary of Nucor's Restricted Stock Unit Activity

A summary of Nucor’s RSU activity for the first six months of 2016 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock units:
Unvested at beginning of year		1,031		$	47.93
Granted		723		$	48.80
Vested		(636	)	$	48.06
Canceled		(7	)	$	48.11
Unvested at July 2, 2016		1,111		$	48.42
Shares reserved for future grants (stock options and RSUs)		8,712

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 2016 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock awards and units:
Unvested at beginning of year		63		$	48.07
Granted		123		$	44.03
Vested		(112	)	$	45.13
Canceled		—			—
Unvested at July 2, 2016		74		$	45.79
Shares reserved for future grants		852