Segment Information (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Summary of Segment Information

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(in thousands)						(in thousands)
Net sales:
Automotive	$	2,064,099		$	2,099,518		$	6,065,733		$	6,108,429
Industrial		1,170,252			1,220,539			3,540,106			3,573,048
Office products		510,825			496,572			1,478,878			1,333,455
Electrical/electronic materials		196,837			193,321			573,584			561,686
Other		(20,211	)		(24,041	)		(60,047	)		(57,425	)
Total net sales	$	3,921,802		$	3,985,909		$	11,598,254		$	11,519,193
Operating profit:
Automotive	$	201,986		$	193,258		$	560,070		$	550,051
Industrial		90,081			95,262			266,726			273,740
Office products		36,406			33,318			107,431			98,447
Electrical/electronic materials		19,988			17,766			54,019			49,758
Total operating profit		348,461			339,604			988,246			971,996
Interest expense, net		(5,055	)		(6,283	)		(16,056	)		(18,713	)
Other intangible assets amortization		(8,545	)		(8,947	)		(25,945	)		(26,321	)
Other, net		(34,286	)		(26,091	)		(84,172	)		(74,527	)
Income before income taxes	$	300,575		$	298,283		$	862,073		$	852,435