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STOCK-BASED COMPENSATION Performance-based Awards and Restricted Stock Units (Details) $ / shares in Units, $ in Thousands | 9 Months Ended
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Sep. 30, 2019 USD ($) $ / shares shares
Restricted Stock Units (RSUs) |
Shares |
Outstanding at January 1, 2019 | 895,000
Granted | 275,000
Vested | (295,000)
Forfeited | (19,000)
Outstanding at September 30, 2019 | 856,000
Outstanding and expected to vest at September 30, 2019 | 789,000
Weighted- Average Grant Date Fair Value Per Share (in dollars per share) |
Outstanding at January 1, 2019 | $ / shares | $ 58.19
Granted | $ / shares | 68.88
Vested | $ / shares | 56.15
Forfeited | $ / shares | 62.32
Outstanding at September 30, 2019 | $ / shares | $ 62.24
Weighted-Average Remaining Contractual Term (In years) |
Outstanding at September 30, 2019 | 1 year 9 months 21 days
Outstanding and expected to vest at September 30, 2019 | 1 year 8 months 19 days
Aggregate Intrinsic Value (In thousands) |
Outstanding at September 30, 2019 | $ | $ 77,414
Outstanding and expected to vest at September 30, 2019 | $ | $ 71,347
Long-Term Performance-Based Awards (PRSUs) |
Shares |
Outstanding at January 1, 2019 | 213,000
Granted | 72,000
Vested | (70,000)
Forfeited | 0
Outstanding at September 30, 2019 | 215,000
Outstanding and expected to vest at September 30, 2019 | 58,000
Weighted- Average Grant Date Fair Value Per Share (in dollars per share) |
Outstanding at January 1, 2019 | $ / shares | $ 55.48
Granted | $ / shares | 68.17
Vested | $ / shares | 43.26
Forfeited | $ / shares | 0
Outstanding at September 30, 2019 | $ / shares | $ 63.70
Weighted-Average Remaining Contractual Term (In years) |
Outstanding at September 30, 2019 | 1 year 3 months
Outstanding and expected to vest at September 30, 2019 | 2 years 3 months
Aggregate Intrinsic Value (In thousands) |
Outstanding at September 30, 2019 | $ | $ 19,424
Outstanding and expected to vest at September 30, 2019 | $ | $ 5,274
Performance Based Awards (PSUs) |
Shares |
Outstanding at January 1, 2019 | 26,000
Granted | 92,000
Vested | (26,000)
Forfeited | 0
Outstanding at September 30, 2019 | 92,000
Outstanding and expected to vest at September 30, 2019 | 34,000
Weighted- Average Grant Date Fair Value Per Share (in dollars per share) |
Outstanding at January 1, 2019 | $ / shares | $ 62.87
Granted | $ / shares | 70.08
Vested | $ / shares | 62.87
Forfeited | $ / shares | 0
Outstanding at September 30, 2019 | $ / shares | $ 70.08
Weighted-Average Remaining Contractual Term (In years) |
Outstanding at September 30, 2019 | 3 months
Outstanding and expected to vest at September 30, 2019 | 3 months
Aggregate Intrinsic Value (In thousands) |
Outstanding at September 30, 2019 | $ | $ 8,353
Outstanding and expected to vest at September 30, 2019 | $ | $ 3,141
Minimum [Member] | Long-Term Performance-Based Awards (PRSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Performance Based Awards Shares Released As Percentage Of Target Number | 0.00%
Minimum [Member] | Performance Based Awards (PSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Performance Based Awards Shares Released As Percentage Of Target Number | 0.00%
Maximum [Member] | Long-Term Performance-Based Awards (PRSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Performance Based Awards Shares Released As Percentage Of Target Number | 200.00%
Maximum [Member] | Performance Based Awards (PSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of Performance Based Awards Shares Released As Percentage Of Target Number | 200.00%

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