Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY

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STOCKHOLDERS' EQUITY
9 Months Ended
Sep. 30, 2020
Stockholders' Equity Note [Abstract]  
STOCKHOLDERS' EQUITY STOCKHOLDERS’ EQUITY
A summary of changes in stockholders’ equity is presented below (in thousands): 
  Nine Months Ended September 30, 2020
  (In thousands)
  Number of
Shares
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Total
Balance at December 31, 2019 38,199  $ 382  $ 505,352  $ 1,468,256  $ 1,973,990 
Net earnings —  —  —  71,152  71,152 
Stock-based compensation expense —  —  6,437  —  6,437 
Issuance of stock 398  (4) —  — 
Share repurchases (1,000) (10) (60,803) —  (60,813)
Balance at March 31, 2020 37,597  $ 376  $ 450,982  $ 1,539,408  $ 1,990,766 
Net earnings —  —  —  90,678  90,678 
Stock-based compensation expense —  —  3,157  —  3,157 
Issuance of stock (1) —  — 
Balance at June 30, 2020 37,603  377  454,138  1,630,086  2,084,601 
Net earnings —  —  —  109,118  109,118 
Stock-based compensation expense —  —  6,130  —  6,130 
Issuance of stock —  —  —  — 
Balance at September 30, 2020 37,612  $ 377  $ 460,268  $ 1,739,204  $ 2,199,849 
  Nine Months Ended September 30, 2019
  (In thousands)
  Number of
Shares
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Total
Balance at December 31, 2018 38,073  $ 381  $ 501,781  $ 1,218,593  $ 1,720,755 
Net earnings —  —  —  25,412  25,412 
Stock-based compensation expense —  —  5,861  —  5,861 
Issuance of stock 400  (4) —  — 
Share repurchases (209) (2) (8,955) —  (8,957)
Balance at March 31, 2019 38,264  $ 383  $ 498,683  $ 1,244,005  $ 1,743,071 
Net earnings —  —  —  50,828  50,828 
Stock-based compensation expense —  —  4,201  —  4,201 
Issuance of stock —  —  —  — 
Balance at June 30, 2019 38,267  383  502,884  1,294,833  1,798,100 
Net earnings —  —  —  69,809  69,809 
Stock-based compensation expense —  —  5,657  —  5,657 
Issuance of stock 32  —  —  —  — 
Balance at September 30, 2019 38,299  $ 383  $ 508,541  $ 1,364,642  $ 1,873,566