COMMON SHARE-BASED COMPENSATION

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

The company recognized total expenses of $106.0 million and $138.2 million related to equity-settled common share-based payment transactions in the nine months ended September 30, 2021 and 2020, respectively.

Movements on common share awards during the periods ended September 30, are detailed below:


	For the nine months ended September 30, 2021			For the nine months ended September 30, 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	3.4	0.6	22.61	8.1	0.9
Forfeited during the period	(0.4)	—	18.84	(0.3)	—
Vested and distributed during the period	(7.3)	(0.3)	21.48	(7.7)	(0.2)
Unvested at the end of the period	13.8	1.9	18.88	18.8	1.8

The total fair value of common shares that vested during the nine months ended September 30, 2021 was $182.9 million (nine months ended September 30, 2020: $109.6 million). The weighted average grant date fair value of the common share awards that were granted during the nine months ended September 30, 2021 was $22.61 (nine months ended September 30, 2020: $14.08).

At September 30, 2021, there was $196.6 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 2.29 years.