CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, unless otherwise specified	Common Shares	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Shares	Non-controlling Interest	Total
Balance at Dec. 31, 2012 (As previously reported)	$ 319	$ 2,337,244	$ 431,595	$ 4,120,398	$ (944,627)	$ 12,188	$ 5,957,117
Balance at Dec. 31, 2012	319	2,337,244	340,143	4,211,850	(944,627)	12,188	5,957,117
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 (Note 2) (Adjustment of opening balance)			(91,452)	91,452
Net income (loss)				(10,621)		6,154	(4,467)
Dividends to shareholders				(35,357)			(35,357)
Other comprehensive income (loss), net of tax			(119,964)			(572)	(120,536)
Issuance of common shares for stock options exercised		4,375					4,375
Issuance of common shares for stock options exercised (in shares)	470						500
Deconsolidation of noncontrollinginterest						2,899	2,899
Share-based compensation	4	45,898					45,902
Share-based compensation (in shares)	4,251
Other		(3,096)				(3,446)	(6,542)
Balance at Sep. 30, 2013	323	2,384,421	220,179	4,165,872	(944,627)	11,425	5,837,593
Balance (in shares) at Sep. 30, 2013	323,534
Balance at Dec. 31, 2013 (As previously reported)	324	2,392,585	307,592	4,213,212	(944,627)	12,091	5,981,177
Balance at Dec. 31, 2013	324	2,392,585	216,140	4,304,664	(944,627)	12,091	5,981,177
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 (Note 2) (Adjustment of opening balance)			(91,452)	91,452
Net income (loss)				220,411		1,213	221,624
Dividends to shareholders				(41,781)			(41,781)
Redemption of subsidiary preferred stock				1,688			1,688
Repurchase of treasury shares					250,037		250,037
Other comprehensive income (loss), net of tax			(83,918)			(624)	(84,542)
Issuance of common shares for stock options exercised	3	30,237					30,240
Issuance of common shares for stock options exercised (in shares)	3,034						3,000
Share-based compensation		28,141					28,141
Other	1	(7,582)				(2,319)	(9,900)
Other (in shares)	1,485
Balance at Sep. 30, 2014	$ 328	$ 2,443,381	$ 132,222	$ 4,481,606	$ (1,194,664)	$ 10,361	$ 5,873,234
Balance (in shares) at Sep. 30, 2014	328,230