REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS - Effect of Correction on Company Consolidated Balance Sheet (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Consolidated Balance Sheet
Accrued expenses	$ 24,395	$ 24,934
Total current liabilities	127,743	125,657
Total liabilities	626,282	628,530
Accumulated deficit	(15,258)	(14,048)
Total stockholders' equity	252,256	253,064
As Previously Reported [Member]
Consolidated Balance Sheet
Accrued expenses		23,888
Total current liabilities		124,611
Total liabilities		627,484
Accumulated deficit		(13,002)
Total stockholders' equity		254,110
Adjustment [Member]
Consolidated Balance Sheet
Accrued expenses		1,046
Total current liabilities		1,046
Total liabilities		1,046
Accumulated deficit		(1,046)
Total stockholders' equity		$ (1,046)