Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jul. 01, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Change in Net Carrying Amount of Goodwill by Segment

6. GOODWILL AND OTHER INTANGIBLE ASSETS: The change in the net carrying amount of goodwill for the six months ended July 1, 2017, by segment is as follows (in thousands):

	Steel Mills		Steel Products		Raw Materials		Total
Balance at December 31, 2016	$	620,156	$	702,995	$	729,577	$	2,052,728
Acquisitions		125,328		—		—		125,328
Translation		—		1,585		—		1,585
Balance at July 1, 2017	$	745,484	$	704,580	$	729,577	$	2,179,641

Schedule of Intangible Assets

Intangible assets with estimated useful lives of 5 to 22 years are amortized on a straight-line or accelerated basis and are comprised of the following (in thousands):

	July 1, 2017				December 31, 2016
	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Customer relationships	$	1,409,125	$	603,734	$	1,295,803	$	566,884
Trademarks and trade names		174,116		71,843		161,851		66,494
Other		62,807		23,493		62,807		20,248
	$	1,646,048	$	699,070	$	1,520,461	$	653,626