RELOCATION - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	22 Months Ended	1 Months Ended
	Dec. 31, 2011	Jul. 31, 2013 Restructuring Charges	Aug. 31, 2011 Relocation costs Person
Restructuring Cost and Reserve [Line Items]
Relocation and severance plan, number of employees to be relocated			50
Accrual for severance and retention payments	$ 1.0
Relocation expense	0.6
Expected relocation expenses		$ 6.0