ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings per share
Net income attributable to common shares	$ 3,698	$ 470	$ 11,395	$ 3,189	$ 22,875	$ (8,007)
Net income per common share-basic:
Net income attributable to common shares-basic (in dollars per share)	$ 0.16	$ 0.02	$ 0.48	$ 0.14
Weighted average common shares outstanding-basic	23,714	23,437	23,654	23,382
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	569	27	504	17
Weighted average common shares outstanding-diluted	24,283	23,464	24,158	23,399
Net income attributable to common shares-diluted (in dollars per share)	$ 0.15	$ 0.02	$ 0.47	$ 0.14
Stock options and restricted stock awards
Anti-dilutive securities excluded from computation of earnings per share
Anti-dilutive securities excluded from computation of earnings per share (in shares)	36	709	53	892