Common Share-Based Compensation

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

The company recognized total expenses of $38.6 million and $47.4 million related to equity-settled common share-based payment transactions in the three months ended March 31, 2021 and 2020, respectively.

Movements on common share awards during the periods ended March 31, are detailed below:


	For the three months ended March 31, 2021			For the three months ended March 31, 2020
millions of common shares, except fair values	Time- Vested	Performance- Vested	Weighted Average Grant Date Fair Value ($)	Time- Vested	Performance- Vested
Unvested at the beginning of period	18.1	1.6	19.11	18.7	1.1
Granted during the period	3.3	0.6	21.19	7.8	0.9
Forfeited during the period	(0.1)	—	19.21	(0.2)	—
Vested and distributed during the period	(6.1)	(0.5)	22.17	(6.1)	(0.2)
Unvested at the end of the period	15.2	1.7	18.40	20.2	1.8

The total fair value of common shares that vested during the three months ended March 31, 2021 was $97.4 million (three months ended March 31, 2020: $91.8 million). The weighted average grant date fair value of the common share awards that were granted during the three months ended March 31, 2021 was $21.19 (three months ended March 31, 2020: $14.37).

At March 31, 2021, there was $264.9 million of total unrecognized compensation cost related to non-vested common share awards; that cost is expected to be recognized over a weighted average period of 2.60 years.