Segment Information (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net sales:
Total net sales	$ 3,285,560	$ 2,950,560	$ 9,444,742	$ 8,399,861
Operating profit:
Total operating profit	276,766	231,965	752,771	636,632
Interest expense, net	(6,244)	(6,562)	(18,980)	(19,988)
Other, net	(23,422)	(12,914)	(53,160)	(41,247)
Income before income taxes	247,100	212,489	680,631	575,397
Automotive [Member]
Net sales:
Total net sales	1,611,333	1,481,294	4,601,272	4,231,367
Operating profit:
Total operating profit	141,233	124,059	377,927	338,986
Industrial [Member]
Net sales:
Total net sales	1,089,826	921,162	3,140,855	2,606,697
Operating profit:
Total operating profit	97,191	72,856	248,489	181,820
Office products [Member]
Net sales:
Total net sales	447,310	434,513	1,297,965	1,246,984
Operating profit:
Total operating profit	27,204	26,657	95,975	93,670
Electrical/electronic materials [Member]
Net sales:
Total net sales	143,342	117,290	419,936	324,167
Operating profit:
Total operating profit	11,138	8,393	30,380	22,156
Other [Member]
Net sales:
Total net sales	$ (6,251)	$ (3,699)	$ (15,286)	$ (9,354)