Capital Stock (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Schedule of Changes in Number of Common Shares Outstanding

The following is a schedule of changes in the number of common shares outstanding since the beginning of 2019:

	Three Months Ended March 31, 2020			Year Ended December 31, 2019
Beginning balance		249,630,803			249,510,022
Restricted stock grants		3,301,344			1,186,290
Restricted stock units vested		944,549			720,212
Performance stock units issued		—			12,747
Treasury shares acquired		(7,999,194	)		(1,798,468	)
Ending balance		245,877,502			249,630,803

Schedule of Change in Treasury Shares

The following is a schedule of the change in treasury shares for the three months ended March 31, 2020:

	Three Months Ended
	March 31, 2020
Beginning balance		1,808,133
Rabbi trust shares distributed/sold		(806	)
Shares repurchased		8,000,000
Ending balance		9,807,327