SEGMENT INFORMATION (Reconciliation) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting [Abstract]
Total operating income	$ 57,788	$ 40,540	$ 95,814	$ 76,099
Interest expense	(9,332)	(6,526)	(17,991)	(13,008)
Other income, net	224	130	698	232
Earnings from continuing operations before income taxes	$ 48,680	$ 34,144	$ 78,521	$ 63,323