Stock-Based Compensation (Tables)

9 Months Ended

Oct. 01, 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 nine 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		(158	)	$	35.76			$	2,500
Canceled		—			—
Outstanding at October 1, 2016		3,833		$	45.07		7.3 years	$	17,297
Options exercisable at October 1, 2016		1,799		$	40.89		5.4 years	$	15,410

Summary of Nucor's Restricted Stock Unit Activity

A summary of Nucor’s RSU activity for the first nine 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		(661	)	$	48.08
Canceled		(26	)	$	45.78
Unvested at October 1, 2016		1,067		$	48.48
Shares reserved for future grants (stock options and RSUs)		8,707

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 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		(3	)	$	45.75
Unvested at October 1, 2016		71		$	45.79
Shares reserved for future grants		855