Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Performance Award Details

The following table presents details of the performance awards described above.

Award Year	Service Conditions Lapse date	Performance Period	Award Conditions	Shares outstanding at 12/31/2020 (shares)	Grant Date Fair Value (in millions)
2020	02/28/23	01/01/2020- 12/31/2022	Non-GAAP Financial Measure	392,619	$	11.7
			Operational Measures	90,604	$	2.6
2019	02/28/22	01/01/2019- 12/31/2021	Non-GAAP Financial Measure	384,680	$	11.7
			Operational Measures	88,769	$	2.5
2018	02/26/21	01/01/2018- 12/31/2020	Non-GAAP Financial Measure	347,479	$	9.2
			Operational Measures(1)	80,185	$	2.4

(1) Grant date fair value amount represents the service inception date fair value of these awards as they are not yet granted.

Restricted Stock Units (RSUs)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Transactions Of Share Based Compensation Other Than Stock Options

(shares)	Restricted Stock Units	Weighted Average Award Date Fair  Value Per Unit ($)
Non-vested at December 31, 2019	302,606	23.49
Granted	235,100	25.77
Forfeited	(38,220)	24.18
Vested	(21,259)	24.68
Non-vested at December 31, 2020	478,227	24.51

Performance Shares

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Transactions Of Share Based Compensation Other Than Stock Options

(shares)	Performance Awards	Weighted Average Grant Date Fair  Value Per Unit ($)(1)
Non-vested at December 31, 2019	1,503,251	22.74
Granted	528,729	27.01
Forfeited	(118,716)	25.63
Vested	(528,928)	28.30
Non-vested at December 31, 2020	1,384,336	25.09