Segment Data (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Summary of Segment Data

	2017			2016			2015			2014			2013
	(In Thousands)
Net sales:
Automotive	$	8,662,696		$	8,111,511		$	8,015,098		$	8,096,877		$	7,489,186
Industrial	4,966,518			4,634,212			4,646,689			4,771,080			4,429,976
Business products	1,998,946			1,969,405			1,937,629			1,802,754			1,638,618
Electrical/electronic materials	780,928			715,650			750,770			739,119			568,872
Other	(100,287		)	(91,065		)	(70,142		)	(68,183		)	(48,809		)
Total net sales	$	16,308,801		$	15,339,713		$	15,280,044		$	15,341,647		$	14,077,843
Operating profit:
Automotive	$	720,465		$	715,154		$	729,152		$	700,386		$	641,492
Industrial	384,247			336,608			339,180			370,043			320,720
Business products	98,882			117,035			140,866			133,727			122,492
Electrical/electronic materials	56,207			60,539			70,151			64,884			47,584
Total operating profit	1,259,801			1,229,336			1,279,349			1,269,040			1,132,288
Interest expense, net	(38,677		)	(19,525		)	(20,354		)	(24,192		)	(24,330		)
Corporate expense	(159,863		)	(94,601		)	(100,436		)	(90,242		)	(34,667		)
Intangible asset amortization	(51,993		)	(40,870		)	(34,878		)	(36,867		)	(28,987		)
Income before income taxes	$	1,009,268		$	1,074,340		$	1,123,681		$	1,117,739		$	1,044,304
Assets:
Automotive	$	6,140,829		$	4,601,150		$	4,293,290		$	4,275,298		$	4,009,244
Industrial	1,437,125			1,292,063			1,143,952			1,224,735			1,162,697
Business products	859,335			907,119			831,546			835,592			708,944
Electrical/electronic materials	208,146			203,334			191,866			196,400			156,780
Corporate	212,566			281,071			322,323			327,623			353,276
Goodwill and other intangible assets	3,554,380			1,574,663			1,361,794			1,386,590			1,289,356
Total assets	$	12,412,381		$	8,859,400		$	8,144,771		$	8,246,238		$	7,680,297

	2017			2016			2015			2014			2013
	(In Thousands)
Depreciation and amortization:
Automotive	$	71,405		$	65,372		$	70,112		$	77,645		$	76,238
Industrial	10,353			10,371			9,960			9,906			8,751
Business products	11,262			11,398			10,922			10,728			10,166
Electrical/electronic materials	3,093			2,967			2,933			2,658			1,904
Corporate	19,585			16,509			12,870			10,509			7,911
Intangible asset amortization	51,993			40,870			34,878			36,867			28,987
Total depreciation and amortization	$	167,691		$	147,487		$	141,675		$	148,313		$	133,957
Capital expenditures:
Automotive	$	118,181		$	73,339		$	77,504		$	78,537		$	97,735
Industrial	23,267			27,383			13,998			12,442			8,808
Business products	6,726			12,072			12,323			11,135			9,297
Electrical/electronic materials	5,299			5,710			2,824			3,003			1,730
Corporate	3,287			42,139			2,895			2,564			6,493
Total capital expenditures	$	156,760		$	160,643		$	109,544		$	107,681		$	124,063
Net sales:
United States	$	13,293,325		$	12,822,320		$	12,843,078		$	12,565,329		$	11,594,713
Europe	256,364			—			—			—			—
Canada	1,549,915			1,390,979			1,395,695			1,583,075			1,560,799
Australasia	1,185,487			1,104,511			992,064			1,133,620			839,353
Mexico	123,997			112,968			119,349			127,806			131,787
Other	(100,287		)	(91,065		)	(70,142		)	(68,183		)	(48,809		)
Total net sales	$	16,308,801		$	15,339,713		$	15,280,044		$	15,341,647		$	14,077,843
Net property, plant, and equipment:
United States	$	647,386		$	561,164		$	495,073		$	495,452		$	503,882
Europe	96,857			—			—			—			—
Canada	90,857			81,260			79,023			98,939			99,135
Australasia	95,299			79,413			65,289			65,707			60,614
Mexico	6,303			6,287			8,832			10,004			6,430
Total net property, plant, and equipment	$	936,702		$	728,124		$	648,217		$	670,102		$	670,061