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Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Reconciliation of Weighted Average Common Shares Outstanding
A reconciliation of weighted average shares outstanding used to calculate basic and diluted net income per share follows (in thousands, except per share data):
Three months ended March 31
 20222021
Weighted average shares outstanding (basic)160,588 162,441 
Impact of common stock equivalents1,323 1,296 
Weighted average shares outstanding (diluted)161,911 163,737 
Per share:
Basic$0.38 $0.43 
Diluted0.38 0.43