EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
EARNINGS PER SHARE
Income from continuing operations	$ 10,498	$ 8,830	$ 23,386	$ 16,708
Less portion allocated to unvested share awards	(51)	(79)	(115)	(160)
Income from continuing operations attributable to common shares	10,447	8,751	23,271	16,548
Income (loss) from discontinued operations	(285)	170	(494)	334
Less portion allocated to unvested share awards	1	(2)	2	(3)
Income (loss) from discontinued operations attributable to common shares	(284)	168	(492)	331
Net income	10,213	9,000	22,892	17,042
Less portion allocated to unvested share awards	(50)	(81)	(113)	(163)
Net income attributable to common shares	$ 10,163	$ 8,919	$ 22,779	$ 16,879
Weighted average common shares outstanding - basic (in shares)	27,421	27,894	27,606	26,131
Dilutive stock options and warrants (in shares)	331	337	315	434
Weighted average common shares outstanding - diluted (in shares)	27,752	28,231	27,921	26,565
Basic earnings (loss) per common share:
Continuing (in dollars per share)	$ 0.38	$ 0.31	$ 0.84	$ 0.63
Discontinued (in dollars per share)	$ (0.01)	$ 0.01	$ (0.01)	$ 0.02
Total (in dollars per share)	$ 0.37	$ 0.32	$ 0.83	$ 0.65
Diluted earnings (loss) per common share:
Continuing (in dollars per share)	$ 0.38	$ 0.31	$ 0.83	$ 0.62
Discontinued (in dollars per share)	$ (0.01)	$ 0.01	$ (0.01)	$ 0.02
Total (in dollars per share)	$ 0.37	$ 0.32	$ 0.82	$ 0.64
Antidilutive securities not included:
Options, warrants, and RSUs (in shares)	361	81	689	130

The portion of income or loss from continuing operations for the period, net of income taxes, which is allocated to participating unvested share awards.

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