CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (USD $) In Thousands, except Share data	Total		Common Stock [Member]	Capital In Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Stockholders' Equity [Member]	Non-Controlling Interests [Member]
Beginning Balance at Dec. 31, 2012	$ 1,952,105		$ 243,442	$ 1,391,271	$ 445,756	$ (98,725)	$ (94,413)	$ 1,887,331	$ 64,774
Beginning Balance (in shares) at Dec. 31, 2012			243,442,156
Net loss	(121,819)				(128,870)			(128,870)	7,051
Other comprehensive income, net of tax	(62,287)	[1]					(62,260)	(62,260)	(27)
Exercise of stock options	116		45	71				116
Exercise of stock options (in shares)			44,862
Share vesting			442	(442)
Share vesting (in shares)			441,554
Purchase of treasury shares	(1,083)					(1,083)		(1,083)
Stock-based compensation charges	10,110			9,486		624		10,110
Distributions to noncontrolling interests	(11,243)								(11,243)
Ending Balance at Jun. 30, 2013	1,765,899		243,929	1,400,386	316,886	(99,184)	(156,673)	1,705,344	60,555
Ending Balance (in shares) at Jun. 30, 2013			243,928,572
Beginning Balance at Dec. 31, 2013	1,440,344		244,271	1,414,457	(71,157)	(97,926)	(140,131)	1,349,514	90,830
Beginning Balance (in shares) at Dec. 31, 2013			244,271,365
Net loss	(58,548)		0	0	(60,783)	0	0	(60,783)	2,235
Other comprehensive income, net of tax	20,880	[1]	0	0	0	0	20,910	20,910	(31)
Exercise of stock options	362		169	193	0	0	0	362	0
Exercise of stock options (in shares)			169,322
Share vesting	0		510	(510)	0	0	0	0	0
Share vesting (in shares)			509,777
Purchase of treasury shares	(1,415)		0	0	0	(1,415)	0	(1,415)	0
Stock-based compensation charges	9,631		0	7,359	0	2,272	0	9,631	0
Issuance of tangible equity units	240,044,000		0	240,044,000	0	0	0	240,044,000	0
Distributions to noncontrolling interests	(3,754)		0	0	0	0	0	0	(3,754)
Ending Balance at Jun. 30, 2014	$ 1,647,543		$ 244,950	$ 1,661,543	$ (131,940)	$ (97,069)	$ (119,221)	$ 1,558,263	$ 89,280
Ending Balance (in shares) at Jun. 30, 2014			244,950,464

[1] The tax impacts on amounts presented in other comprehensive income are not significant.