Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Summary of Significant Accounting Policies

Reconciliation of basic weighted average shares outstanding to diluted weighted average shares outstanding

The following is a reconciliation of the Company’s basic weighted average shares outstanding to diluted weighted average shares outstanding during the periods presented (in thousands):

	Three months ended September 30,		Nine months ended September 30,
	2018	2019	2018	2019
Basic weighted average number of shares outstanding	317,082	307,781	316,850	308,509
Add: Dilutive effect of restricted stock units	—	—	—	27
Add: Dilutive effect of outstanding stock options	—	—	—	—
Add: Dilutive effect of performance stock units	—	—	—	110
Diluted weighted average number of shares outstanding	317,082	307,781	316,850	308,646
Weighted average number of outstanding equity awards excluded from calculation of diluted earnings per common share (1):
Restricted stock units	2,813	2,356	2,996	2,008
Outstanding stock options	619	514	637	541
Performance stock units	1,880	2,676	1,665	2,141

⁽¹⁾ The potential dilutive effects of these awards were excluded from the computation of earnings (loss) per common share—assuming dilution because the inclusion of these awards would have been anti-dilutive.