CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Shares	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Shares	Non-controlling Interest
Balance at Dec. 31, 2012 (As previously reported)	$ 5,957,117	$ 319	$ 2,337,244	$ 431,595	$ 4,120,398	$ (944,627)	$ 12,188
Balance at Dec. 31, 2012	5,957,117	319	2,337,244	340,143	4,211,850	(944,627)	12,188
Balance (in shares) at Dec. 31, 2012 (As previously reported)		318,813
Balance (in shares) at Dec. 31, 2012		318,813
Increase (Decrease) in Equity
Revision				(91,452)	91,452
Net income (loss)	100,473				94,760		5,713
Dividends to shareholders	(23,552)				(23,552)
Other comprehensive income (loss), net of tax	(133,380)			(132,579)			(801)
Issuance of common shares for stock options exercised	3,200		3,200
Issuance of common shares for stock options exercised (in shares)	300	343
Deconsolidation of noncontrolling interest	(2,899)						(2,899)
Share-based compensation	38,828	4	38,824
Share-based compensation (in shares)		4,265
Other	(6,502)		(3,023)				(3,479)
Balance at Jun. 30, 2013	5,933,285	323	2,376,245	207,564	4,283,058	(944,627)	10,722
Balance (in shares) at Jun. 30, 2013		323,421
Balance at Dec. 31, 2013 (As previously reported)	5,981,177	324	2,392,585	307,592	4,213,212	(944,627)	12,091
Balance at Dec. 31, 2013	5,981,177	324	2,392,585	216,140	4,304,664	(944,627)	12,091
Balance (in shares) at Dec. 31, 2013 (As previously reported)		323,711
Balance (in shares) at Dec. 31, 2013		323,711
Increase (Decrease) in Equity
Revision				(91,452)	91,452
Net income (loss)	115,189				114,363		826
Dividends to shareholders	(23,792)				(23,792)
Redemption of subsidiary preferred stock	(1,688)				(1,688)
Other comprehensive income (loss), net of tax	(27,689)			(27,587)			(102)
Issuance of common shares for stock options exercised	29,048	3	29,045
Issuance of common shares for stock options exercised (in shares)	2,900	2,911
Share-based compensation	19,301		19,301
Other	(9,624)	1	(7,305)	(1)			(2,319)
Other (in shares)		1,512
Balance at Jun. 30, 2014	$ 6,081,922	$ 328	$ 2,433,626	$ 188,552	$ 4,393,547	$ (944,627)	$ 10,496
Balance (in shares) at Jun. 30, 2014		328,134