Derivatives (Tables)

3 Months Ended

Apr. 05, 2014

Fair Values of Derivative Instruments

The following tables summarize information regarding Nucor’s derivative instruments (in thousands):

Fair Value of Derivative Instruments

		Fair Value at
	Balance Sheet Location	April 5, 2014			Dec. 31, 2013
Liability derivatives designated as hedging instruments:
Commodity contracts	Accrued expenses and other current liabilities	$	(1,400	)	$	—
Commodity contracts	Deferred credits and other liabilities		(900	)		—
Total liability derivatives designated as hedging instruments			(2,300	)		—
Liability derivatives not designated as hedging instruments:
Commodity contracts	Accrued expenses and other current liabilities		(430	)		(553	)
Foreign exchange contracts	Accrued expenses and other current liabilities		(19	)		(2	)
Total liability derivatives not designated as hedging instruments			(449	)		(555	)
Total liability derivatives		$	(2,749	)	$	(555	)

Designated as Hedging Instrument [Member]

Effect of Derivative Instruments on Condensed Consolidated Statements of Earnings

The Effect of Derivative Instruments on the Condensed Consolidated Statements of Earnings

Derivatives Designated as Hedging Instruments

			Amount of Gain or (Loss), net of tax, Recognized in OCI on Derivatives (Effective Portion)					Amount of Gain or (Loss), net of tax, Reclassified from Accumulated OCI  into Earnings (Effective Portion)					Amount of Gain or (Loss) Recognized in Earnings on Derivatives (Ineffective Portion)
Derivatives in Cash Flow Hedging Relationships
	Three Months (13 weeks) Ended					Three Months (13 weeks) Ended					Three Months (13 weeks) Ended
	Statement of Earnings Location		April 5, 2014			March 30, 2013		April 5, 2014			March 30, 2013		April 5, 2014		March 30, 2013
Commodity contracts		Cost of products sold	$	(1,871	)	$	—	$	(471	)	$	—	$	—	$	—

Not Designated as Hedging Instrument [Member]

Effect of Derivative Instruments on Condensed Consolidated Statements of Earnings

Derivatives Not Designated as Hedging Instruments

			Amount of Gain or (Loss) Recognized in Earnings on  Derivatives
			Three Months (13 weeks) Ended
Derivatives Not Designated as Hedging Instruments	Statement of Earnings  Location		April 5, 2014		March 30, 2013
Commodity contracts		Cost of products sold	$	1,233	$	2,509
Foreign exchange contracts		Cost of products sold		153		116
Total			$	1,386	$	2,625