Incentive Compensation Plans Plan Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Share-based Payment Arrangement [Abstract]
Performance cash awards granted during the period target value	$ 43.3
Restricted cash awards granted during the period target value	$ 35.2
Performance based cash award vesting period		3 years
Restricted cash awards vesting period floor		2 years
Cash awards vesting period		3 years