Stock-Based Incentive Compensation Plans (Details) - Jun. 30, 2015 - shares	Total	Total
Stock options [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	7,145	502,664
Performance Shares [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	2,158	161,255
Restricted Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	22,868	445,438
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	535	90,239
Non-employee Director Deferred Stock Units [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Shares granted	7,653	15,536