EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Earnings per share — Basic:
Earnings from continuing operations	$ 38,279	$ 56,185
Less: Earnings allocated to unvested stock	(130)	(166)
Earnings from continuing operations available to common shareholders — Basic	$ 38,149	$ 56,019
Weighted average common shares outstanding - Basic (shares)	52,945	53,076
Earnings from continuing operations per common share — Basic (in dollars per share)	$ 0.72	$ 1.06
Earnings per share — Diluted:
Earnings from continuing operations	$ 38,279	$ 56,185
Less: Earnings allocated to unvested stock	(130)	(166)
Earnings from continuing operations available to common shareholders — Diluted	$ 38,149	$ 56,019
Weighted average common shares outstanding - Basic (shares)	52,945	53,076
Effect of dilutive equity awards (shares)	451	287
Weighted average common shares outstanding — Diluted (shares)	53,396	53,363
Earnings from continuing operations per common share — Diluted (in dollars per share)	$ 0.71	$ 1.05
Anti-dilutive equity awards not included above (shares)	591	1,186

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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