Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of Number of Shares Used in Calculating Basic and Diluted Earnings per Share

The following table reconciles the number of shares used in calculating basic and diluted earnings per share:

	Three Months Ended March 31,
(in thousands)	2021		2020
Basic weighted-average shares outstanding		67,207		67,478
Incremental shares due to:
Performance shares		326		—
Restricted stock units		74		—
Diluted weighted-average shares outstanding		67,607		67,478