Earnings Per Share (Narrative) (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
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income (Loss) from Continuing Operations	$ 76,771	$ 40,842	$ 121,638	$ 81,380
Effect of dilutive securities	1,453,000	1,643,000	1,833,000	1,804,000
Parent Company [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income (Loss) from Continuing Operations	$ 78,300	$ 42,400	$ 124,700	$ 84,100
Employee Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, weighted average exercise price	$ 21.17	$ 21.35	$ 24.26	$ 21.89
Shares excluded from computation of earnings per share	5,600,000	8,600,000	4,800,000	8,700,000