Stock-Based Compensation (Tables)

3 Months Ended

Apr. 04, 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 quarter 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		—			—
Exercised		(10	)	$	42.34			$	66
Canceled		—			—
Outstanding at April 4, 2015		2,412		$	42.39		7.3 years	$	13,286
Options exercisable at April 4, 2015		1,253		$	40.38		6.3 years	$	8,685

Summary of Nucor's Restricted Stock Unit Activity

A summary of Nucor’s RSU activity for the first quarter 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		—			—
Vested		(14	)	$	44.93
Canceled		(2	)	$	40.81
Unvested at April 4, 2015		996		$	46.00
Shares reserved for future grants (stock options and RSUs)		11,844

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 quarter 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		(130	)	$	47.08
Canceled		—			—
Unvested at April 4, 2015		71		$	48.09
Shares reserved for future grants		975