XML 24 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
SEGMENT INFORMATION (REVENUE GEOGRAPHY) (DETAILS) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue $ 295,490 $ 289,692 $ 597,711 $ 578,075
United States [Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 137,596 132,341 284,065 264,088
Philippines [Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 85,541 88,049 172,207 174,158
Latin America [Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 43,258 44,303 85,304 89,331
Europe Middle East Africa [Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 22,267 16,638 41,484 33,621
Canada [Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 1,470 4,002 2,893 8,292
Asia Pacific[ Member]
        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue $ 5,358 $ 4,359 $ 11,758 $ 8,585