COMMITMENTS, CONTINGENCIES AND GUARANTEES (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loss Contingencies [Line Items]
Rent expense under operating lease agreements	$ 15,664	$ 11,594	$ 8,522
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	13,924
2015	8,218
2016	4,136
2017	2,504
2018	2,017
Thereafter	480
Total minimum lease payments	31,279
2006 Employee Loan Program [Member]
Loss Contingencies [Line Items]
Total commitment	233
Provision for losses	0	0	0
Construction in Progress [Member]
Loss Contingencies [Line Items]
Total commitment	1,890
Employee Housing Program [Member]
Loss Contingencies [Line Items]
Total commitment	35
Provision for losses	$ 0