Segments (Tables)

9 Months Ended

Oct. 01, 2016

Segment Reporting [Abstract]

Segments

Nucor’s results by segment were as follows (in thousands):

	Three Months (13 Weeks) Ended						Nine Months (39 Weeks) Ended
	October 1, 2016			October 3, 2015			October 1, 2016			October 3, 2015
Net sales to external customers:
Steel mills	$	2,960,642		$	2,816,441		$	8,611,553		$	8,838,424
Steel products		1,011,602			1,081,047			2,763,335			3,018,077
Raw materials		317,992			328,026			876,696			1,126,062
	$	4,290,236		$	4,225,514		$	12,251,584		$	12,982,563
Intercompany sales:
Steel mills	$	567,854		$	551,300		$	1,592,512		$	1,703,554
Steel products		31,117			26,271			80,277			66,788
Raw materials		1,774,538			1,689,458			4,717,370			5,210,317
Corporate/eliminations		(2,373,509	)		(2,267,029	)		(6,390,159	)		(6,980,659	)
	$	—		$	—		$	—		$	—
Earnings (loss) before income taxes and noncontrolling interests:
Steel mills	$	593,149		$	260,776		$	1,403,711		$	676,404
Steel products		72,578			96,167			197,891			199,261
Raw materials		14,313			(43,177	)		(76,240	)		(122,778	)
Corporate/eliminations		(253,768	)		40,505			(586,680	)		(63,349	)
	$	426,272		$	354,271		$	938,682		$	689,538

	October 1, 2016		Dec. 31, 2015
Segment assets:
Steel mills	$	7,857,830	$	7,318,706
Steel products		2,570,037		2,485,122
Raw materials		3,273,164		3,123,190
Corporate/eliminations		1,412,648		1,299,926
	$	15,113,679	$	14,226,944