GENERAL - Schedule of Earnings Per Share (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Earnings from continuing operations	$ 6,787	$ 6,957	$ 14,485	$ 12,272
Less dividend equivalents attributable to RSUs outstanding	(66)	(61)	(143)	(118)
Earnings from continuing operations attributable to common shareholders	6,721	6,896	14,342	12,154
Earnings (loss) from discontinued operations	(150)	5,782	1,790	10,817
Less dividend equivalents attributable to RSUs outstanding		(51)	(27)	(85)
Earnings (loss) from discontinuing operations attributable shareholders	(150)	5,731	1,763	10,732
Net earnings attributable to common shareholders used for basic and diluted earnings per share calculation	$ 6,571	$ 12,627	$ 16,105	$ 22,886
Basic	33,403	33,397	33,400	33,397
Stock options
Diluted	33,403	33,397	33,400	33,397
RSUs outstanding at the end of the period	333	296	333	296