Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Summary of Segment Information

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(in thousands)						(in thousands)
Net sales:
Automotive	$	2,095,030		$	2,064,099		$	6,115,186		$	6,065,733
Industrial	1,162,224			1,170,252			3,482,246			3,540,106
Office products	535,175			510,825			1,493,434			1,478,878
Electrical/electronic materials	178,448			196,837			538,803			573,584
Other	(29,134		)	(20,211		)	(70,021		)	(60,047		)
Total net sales	$	3,941,743		$	3,921,802		$	11,559,648		$	11,598,254
Operating profit:
Automotive	$	197,874		$	201,986		$	555,156		$	560,070
Industrial	85,608			90,081			255,704			266,726
Office products	30,257			36,406			97,101			107,431
Electrical/electronic materials	14,277			19,988			45,105			54,019
Total operating profit	328,016			348,461			953,066			988,246
Interest expense, net	(5,244		)	(5,055		)	(14,731		)	(16,056		)
Other intangible assets amortization	(10,339		)	(8,545		)	(28,324		)	(25,945		)
Other, net	(21,076		)	(34,286		)	(71,957		)	(84,172		)
Income before income taxes	$	291,357		$	300,575		$	838,054		$	862,073