GENERAL - Schedule of Earnings Per Share (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Earnings from continuing operations	$ 7,728	$ 5,299
Less dividend equivalents attributable to RSUs outstanding	(83)	(59)
Earnings from continuing operations attributable to common shareholders	7,645	5,240
Earnings from discontinued operations	1,910	5,051
Less dividend equivalents attributable to RSUs outstanding	(23)	(28)
Earnings from discontinued operations attributable to common shareholders	1,887	5,023
Net earnings attributable to common shareholders used for basic and diluted earnings per share calculation	$ 9,532	$ 10,263
Basic	33,397	33,397
Stock options
Diluted	33,397	33,397
RSUs outstanding at the end of the period	363	296