FAIR VALUE MEASUREMENT - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets:
Assets	$ 34,359	$ 60,627
Liabilities:
Foreign exchange contracts	419	265
Lease exit liabilities	9,649	8,515
Total Liabilities	10,068	8,780
Bank time deposits
Assets:
Assets	34,124	60,553
Foreign exchange contracts
Assets:
Assets	235	74
Level 1
Assets:
Assets	0	0
Liabilities:
Foreign exchange contracts	0	0
Lease exit liabilities	0	0
Total Liabilities	0	0
Level 1 | Bank time deposits
Assets:
Assets	0	0
Level 1 | Foreign exchange contracts
Assets:
Assets	0	0
Level 2
Assets:
Assets	34,359	60,627
Liabilities:
Foreign exchange contracts	419	265
Lease exit liabilities	0	0
Total Liabilities	419	265
Level 2 | Bank time deposits
Assets:
Assets	34,124	60,553
Level 2 | Foreign exchange contracts
Assets:
Assets	235	74
Level 3
Assets:
Assets	0	0
Liabilities:
Foreign exchange contracts	0	0
Lease exit liabilities	9,649	8,515
Total Liabilities	9,649	8,515
Level 3 | Bank time deposits
Assets:
Assets	0	0
Level 3 | Foreign exchange contracts
Assets:
Assets	$ 0	$ 0