Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity

The following table summarizes the changes in Common Stock and Treasury Stock:

	Treasury		Outstanding
Balance at December 31, 2009	116,140,084		207,197,828
Repurchases of common stock	4,687,304		(4,687,304	)
Issuance of common stock	(876,794	)	876,794
Conversions to common stock	(43,684	)	43,684
Balance at December 31, 2010	119,906,910		203,431,002
Repurchases of common stock	4,692,200		(4,692,200	)
Issuance of common stock	(963,448	)	963,448
Conversions to common stock	(48,820	)	48,820
Balance at December 31, 2011	123,586,842		199,751,070
Issuance of common stock	(1,118,089	)	1,118,089
Conversions to common stock	(14,888	)	14,888
Balance at December 31, 2012	122,453,865		200,884,047

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive loss consisted of the following:

	2012			2011			2010
Foreign currency translation adjustments	$	81,250		$	83,952		$	137,521
Net unrealized loss on derivatives	(7,777		)	(8,438		)	(10,445		)
Net unrealized gain on investment securities	4,513			4,387			1,439
Net unamortized loss on pension and postretirement plans	(759,199		)	(741,546		)	(602,321		)
Accumulated other comprehensive loss	$	(681,213	)	$	(661,645	)	$	(473,806	)