Stock-Based Incentive Compensation Plans (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Stock options [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	14,007	490,852
Performance Shares [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	4,834	182,149
Restricted Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	11,555	447,012
Stock Appreciation Rights [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted		62,887
Non-employee Agent Stock Options [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted		88,311
Non-employee Director Deferred Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	7,754	24,035