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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Valuation Assumptions The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:
 Year Ended December 31,
 201920182017
Risk-free interest rate2.5 %2.8 %2.1 %
Average expected life in years6.506.506.50
Expected volatility41.0 %40.4 %39.6 %
Expected dividend yield— %— %— %
Summary Of Stock Options Activity
A summary of the Company’s stock options as of December 31, 2019, 2018 and 2017, and changes during the years then ended is presented below: 
(In thousands, except per share amounts)Year Ended December 31,
201920182017
 
Number
of Stock
Options
Weighted
Average
Exercise
Price
Number
of Stock
Options
Weighted
Average
Exercise
Price
Number
of Stock
Options
Weighted
Average
Exercise
Price
Outstanding, beginning of year2,732  $12.98  3,782  $12.71  4,265  $9.63  
Granted, at fair market value460  19.39  579  15.41  734  19.04  
Exercised(733) 3.41  (1,262) 5.53  (1,046) 3.72  
Expired—  —  —  —  —  —  
Forfeited(490) 19.04  (367) 35.55  (171) 17.59  
Outstanding, end of year1,969  $16.61  2,732  $12.98  3,782  $12.71  
Options exercisable, end of year913  $15.45  1,366  $7.70  2,512  $5.85  
Stock Options Outstanding And Exercisable
The following table summarizes information about stock options outstanding and exercisable as of December 31, 2019:
(In thousands, except per share amounts)
Options OutstandingOptions Exercisable
Number of
Underlying
Shares
Weighted
Average
Exercise
Price Per
Share
Weighted
Average
Remaining
Contractual
Life (Years)
Total
Intrinsic
Value
Number of
Underlying
Shares
Weighted
Average
Exercise
Price Per
Share
Weighted
Average
Remaining
Contractual
Life (Years)
Total
Intrinsic
Value
1,969  $16.61  6.19$9,379  913  $15.45  3.66$7,725  
Summary Of Restricted Stock And Restricted Stock Units
A summary of the Company’s restricted stock and restricted stock units as of December 31, 2019, 2018 and 2017, and changes during the years then ended is presented below: 
 Year Ended December 31,
201920182017
(In thousands, except per share amounts)
Number
of
Restricted
Shares
Weighted
Average
Grant Date Fair Value
Number
of
Restricted
Shares
Weighted
Average
Fair Value
Number
of
Restricted
Shares
Weighted
Average
Fair Value
Outstanding, beginning of year8,284  $18.03  9,923  $24.41  6,771  $19.68  
Granted3,501  19.32  5,165  15.57  7,630  18.84  
Forfeited(2,760) 18.56  (4,745) 27.43  (2,290) 28.71  
Vested(2,364) 20.24  (2,059) 24.95  (2,188) 24.78  
Outstanding, end of year6,661  $18.02  8,284  $18.03  9,923  $24.41