OTHER BALANCE SHEET INFORMATION - Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Other current assets:
Deferred tax assets	$ 10,142	$ 11,823
Prepaid current assets	19,460	28,218
Reinsurance receivable	8,941	9,200
VAT asset	14,997	18,889
Current assets held for sale	5,086	0
Other	21,643	18,724
Total	$ 80,269	$ 86,854