GEOGRAPHIC AND RELATED INFORMATION - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue, Major Customer [Line Items]
Revenue percentage	60.00%	68.00%	64.00%	61.00%
Customer D [Member]
Revenue, Major Customer [Line Items]
Revenue percentage	10.00%		10.00%
Revenues	$ 20.4		$ 51.9
Customer H [Member]
Revenue, Major Customer [Line Items]
Revenue percentage	10.00%
Revenues	5.0	32.0		46.7
Customer L [Member]
Revenue, Major Customer [Line Items]
Revenue percentage			10.00%
Revenues			15.1
Customer M [Member]
Revenue, Major Customer [Line Items]
Revenue percentage			10.00%
Revenues			14.2
Customer J [Member]
Revenue, Major Customer [Line Items]
Revenue percentage				10.00%
Revenues		8.7		21.8
Customer K [Member]
Revenue, Major Customer [Line Items]
Revenue percentage				10.00%
Revenues	$ 10.0			$ 14.7