STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2012

Summary Of Stock Option Plans Activity

A summary of activity under Nucor’s stock option plans for the first six months of 2012 is as follows (in thousands, except year 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		1,156		$	38.26
Granted		754		$	35.76
Exercised		(203	)	$	30.27		$	2,745
Canceled		—			—
Outstanding at June 30, 2012		1,707		$	38.11	8.4 years	$	2,980
Options exercisable at June 30, 2012		151		$	28.86	0.2 years	$	1,365

Schedule Of Grant Date Fair Value Calculated Using Black-Scholes Option-Pricing Model

For the 2012 stock option grant, the grant date fair value of $11.40 per share was calculated using the Black-Scholes option-pricing model with the following assumptions:

Exercise price	$	35.76
Expected dividend yield		4.08	%
Expected stock price volatility		48.99	%
Risk-free interest rate		1.06	%
Expected life (years)		6.5

Summary Of Nucor's Restricted Stock Unit Activity

The fair value of the RSUs is determined based on the closing stock price of Nucor’s common stock on the day before the grant. A summary of Nucor’s RSU activity for the first six months of 2012 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock units:
Unvested at beginning of year		962		$	46.09
Granted		1,101		$	35.76
Vested		(884	)	$	40.26
Canceled		(20	)	$	40.73
Unvested at June 30, 2012		1,159		$	40.81
Shares reserved for future grants (stock options and RSUs)		11,834

Summary of Nucor's Restricted Stock Awards and Units Under AIP And LTIP

A summary of Nucor’s restricted stock activity under the AIP and LTIP for the first six months of 2012 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock awards and units:
Unvested at beginning of year		94		$	42.46
Granted		122		$	42.20
Vested		(144	)	$	41.62
Canceled		—			—
Unvested at June 30, 2012		72		$	43.72
Shares reserved for future grants		1,360