EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | 24 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2016 |
|
| Numerator: | ||||||||||||||||
| Net earnings | $ 41,617 | $ 12,178 | $ 43,923 | $ 6,138 | $ 29,819 | $ 7,376 | $ 31,414 | $ (4,842) | $ 111,667 | $ 103,856 | $ 63,767 | |||||
| Denominator (shares in thousands): | ||||||||||||||||
| Weighted average shares for basic earnings per common share | 98,838,000 | 97,963,000 | 97,506,000 | |||||||||||||
| Common equivalent shares for RSUs and PSUs | 34,000 | 66,000 | 194,000 | |||||||||||||
| Shares for diluted earnings per common share | 98,872,000 | 98,029,000 | 97,700,000 | |||||||||||||
| Basic earnings from continuing operations per common share (in dollars per share) | $ 0.29 | $ 0.31 | $ 0.24 | $ 0.29 | $ 0.31 | $ 0.08 | $ 0.32 | $ (0.05) | $ 1.13 | $ 1.06 | $ 0.65 | |||||
| Diluted earnings from continuing operations per common share (in dollars per share) | $ 0.29 | $ 0.31 | $ 0.24 | $ 0.29 | $ 0.30 | $ 0.08 | $ 0.32 | $ (0.05) | $ 1.13 | $ 1.06 | $ 0.65 | |||||
| Performance Stock Unit | ||||||||||||||||
| Denominator (shares in thousands): | ||||||||||||||||
| Anti-dilutive securities not included in the computations of diluted earnings per share (in shares) | 83,477 | 83,477 | ||||||||||||||
| Restricted Stock Unit | ||||||||||||||||
| Denominator (shares in thousands): | ||||||||||||||||
| Anti-dilutive securities not included in the computations of diluted earnings per share (in shares) | 90,654 | |||||||||||||||