Earnings per Share (Tables)

12 Months Ended

Dec. 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 for the years ended December 31:

(in thousands)	2021		2020		2019
Basic weighted-average shares outstanding		67,352		67,237		67,608
Incremental shares due to:
Performance shares		307		289		109
Restricted stock units		60		42		26
Diluted weighted-average shares outstanding		67,719		67,568		67,743