Stock-Based Incentive Compensation Plans (Details) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Stock options [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted		502,664
Performance Shares [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted		161,255
Restricted Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	20,086	465,524
Non-employee Stock Appreciation Rights [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted		48,451
Non-employee Agent Stock Options [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	50	90,239
Non-employee Director Deferred Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	9,545	25,081