Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Summary of Segment Information

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
	(in thousands)						(in thousands)
Net sales:
Automotive	$	2,087,978		$	2,103,126		$	4,020,156		$	4,001,634
Industrial	1,167,395			1,188,031			2,320,022			2,369,854
Office products	481,605			477,755			958,259			968,053
Electrical/electronic materials	184,508			194,701			360,355			376,747
Other	(21,848		)	(23,212		)	(40,887		)	(39,836		)
Total net sales	$	3,899,638		$	3,940,401		$	7,617,905		$	7,676,452
Operating profit:
Automotive	$	203,572		$	207,443		$	357,282		$	358,084
Industrial	88,263			88,876			170,096			176,645
Office products	32,640			34,501			66,844			71,025
Electrical/electronic materials	15,987			18,568			30,828			34,031
Total operating profit	340,462			349,388			625,050			639,785
Interest expense, net	(4,665		)	(5,674		)	(9,487		)	(11,001		)
Other intangible assets amortization	(9,225		)	(8,796		)	(17,985		)	(17,400		)
Other, net	(26,520		)	(24,801		)	(50,881		)	(49,886		)
Income before income taxes	$	300,052		$	310,117		$	546,697		$	561,498