EARNINGS PER SHARE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income (Numerator)
Income from continuing operations	$ 48,768	$ 30,551	$ 118,026	$ 60,022
Net income attributable to noncontrolling interests included in continuing operations	(427)	(309)	(1,192)	(415)
Numerator for diluted earnings per common share from continuing operations available to common shareholders	48,341	30,242	116,834	59,607
Income from discontinued operations, net of taxes		6,100		11,558
Numerator for diluted earnings available to common shareholders	$ 48,341	$ 36,342	$ 116,834	$ 71,165
Shares (Denominator)
Weighted average common shares outstanding	97,154	99,473	97,712	90,982
Dilutive effect of stock settled appreciation rights, restricted stock awards and outstanding stock options (in shares)	742	766	702	567
Weighted-average common and common equivalent shares outstanding	97,896	100,239	98,414	91,549
Additional Disclosures
Potentially antidilutive dilutive securities excluded from calculation of diluted earnings per share (in shares)	0	0	0	0