CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income Loss [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2009	$ 87,364	$ 956,401	$ 2,756	$ (245,519)	$ (473,391)	$ 11,459	$ 339,070
Balance (in shares) at Dec. 31, 2009	349,456				(37,128)
Acquisition of the Acquired Business	169,633	5,048,266	0	0	0	0	5,217,899
Acquisition of the Acquired Business (in shares)	678,530				0
Stock plans	0	(28,129)	0	0	40,105	0	11,976
Stock plans (in shares)	0				2,997
Dividends on common stock	0	(451,067)	(78,322)	0	0	0	(529,389)
Net income	0	0	152,673	0	0	3,044	155,717
Other comprehensive income (loss), net of tax	0	0	0	15,970	0	0	15,970
Distributions	0	0	0	0	0	(1,500)	(1,500)
Balance at Dec. 31, 2010	256,997	5,525,471	77,107	(229,549)	(433,286)	13,003	5,209,743
Balance (in shares) at Dec. 31, 2010	1,027,986				(34,131)
Acquisition of the Acquired Business							0
Stock plans	0	(5,701)	0	0	18,285	0	12,584
Stock plans (in shares)	0				1,273
Dividends on common stock	0	(746,387)	0	0	0	0	(746,387)
Net income	0	0	149,614	0	0	7,994	157,608
Other comprehensive income (loss), net of tax	0	0	0	(157,414)	0	0	(157,414)
Distributions	0	0	0	0	0	(7,000)	(7,000)
Balance at Dec. 31, 2011	256,997	4,773,383	226,721	(386,963)	(415,001)	13,997	4,469,134
Balance (in shares) at Dec. 31, 2011	1,027,986				(32,858)
Acquisition of the Acquired Business							0
Stock plans	0	(34,582)	0	0	46,408	0	11,826
Stock plans (in shares)	0				3,283
Dividends on common stock	0	(99,238)	(300,152)	0	0	0	(399,390)
Net income	0	0	136,636	0	0	16,678	153,314
Other comprehensive income (loss), net of tax	0	0	0	(96,613)	0	0	(96,613)
Distributions	0	0	0	0	0	(19,000)	(19,000)
Balance at Dec. 31, 2012	$ 256,997	$ 4,639,563	$ 63,205	$ (483,576)	$ (368,593)	$ 11,675	$ 4,119,271
Balance (in shares) at Dec. 31, 2012	1,027,986				(29,576)