Stock-Based Compensation (Tables)

9 Months Ended

Oct. 03, 2015

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 nine months of 2015 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		2,422		$	42.39
Granted		700		$	47.59
Exercised		(10	)	$	42.34			$	66
Canceled		(20	)	$	50.63
Outstanding at October 3, 2015		3,092		$	43.51		7.5 years	$	1,543
Options exercisable at October 3, 2015		1,531		$	39.35		6.1 years	$	1,543

Summary of Nucor's Restricted Stock Unit Activity

A summary of Nucor’s RSU activity for the first nine months of 2015 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock units:
Unvested at beginning of year		1,012		$	45.98
Granted		790		$	47.59
Vested		(750	)	$	44.97
Canceled		(13	)	$	46.32
Unvested at October 3, 2015		1,039		$	47.93
Shares reserved for future grants (stock options and RSUs)		10,355

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 nine months of 2015 is as follows (shares in thousands):

	Shares			Grant Date Fair Value
Restricted stock awards and units:
Unvested at beginning of year		65		$	48.20
Granted		136		$	47.07
Vested		(134	)	$	47.11
Canceled		—			—
Unvested at October 3, 2015		67		$	48.08
Shares reserved for future grants		975