Earnings Per Share (Narrative) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Effect of dilutive securities	1,869,000	1,453,000	0	1,833,000
Employee Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, weighted average exercise price	$ 24.26	$ 21.17	$ 17.17	$ 24.26
Shares excluded from computation of earnings per share	3,600,000	5,600,000	7,800,000	4,800,000
Other Equity Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from computation of earnings per share			2,200,000