Management Compensation Plans (Schedule of Total Shares Available for and Subject to Awards) (Details)	Dec. 31, 2014
Global Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Awards	8,336,467
Shares Subject to Outstanding Awards	2,844,382
Stock Incentive Plan 2004 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Awards	0
Shares Subject to Outstanding Awards	136,500	[1]

[1] No RSUs remain outstanding under the 2004 Stock Incentive Plan.