Earnings (Loss) Per Share Data (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations Attributable to Parent	$ 61,246	$ 47,302	$ 124,884	$ 95,616
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	21,971	52,219	85,745	106,573
Earnings (loss) per common share - Basic:
Net income	$ 0.23	$ 0.51	$ 0.88	$ 1.03
Effect of Dilutive Securities [Abstract]
Convertible Securities	66	71	132	142
Stock options, warrants and awards	0	0	0	0
Convertible Securities (in shares)	8,440,000	6,402,000	8,452,000	5,078,000
Stock options, warrants and awards, common shares (in shares)	615,000	662,000	677,000	620,000
Income from continuing operations plus assumed conversions	61,312	47,373	125,016	95,758
Earnings (loss) per common share - Diluted:
Net income plus assumed conversions	22,037	52,290	85,877	106,715
Diluted shares	106,054,000	109,931,000	106,906,000	108,736,000
Diluted earnings per share	$ 0.21	$ 0.48	$ 0.80	$ 0.98
Aggregate number of stock options, warrants and awards excluded from the computation of diluted EPS (in shares)				1,000,000
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.63	$ 0.46	$ 1.28	$ 0.93
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (39,275)	$ 4,917	$ (39,139)	$ 10,957
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	$ (0.37)	$ 0.04	$ (0.37)	$ 0.10
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	$ (0.40)	$ 0.05	$ (0.40)	$ 0.11
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.58	$ 0.43	$ 1.17	$ 0.88
Weighted Average Number of Shares Outstanding, Basic	96,999,000	102,867,000	97,777,000	103,038,000