XML 72 R60.htm IDEA: XBRL DOCUMENT v3.3.1.900
INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
INCOME TAXES      
Unrecognized tax benefits including penalty and interest $ 5,900 $ 6,300 $ 6,400
Tax benefit excluded from the estimated annual effective tax rate 4,800 5,100 5,200
Increase in unrecognized tax benefits related to Iris 200    
Activity related to gross unrecognized tax benefits excluding interest and penalties      
Unrecognized Tax Benefits at the beginning of the period 5,120 5,326 4,639
Gross increases for prior year tax positions 206 190 243
Gross decreases for prior year tax positions   (60) (53)
Gross increase for current year tax positions 135 197 530
Settlements     (33)
Lapse of statute of limitations (795) (533)  
Unrecognized Tax Benefits at the end of the period $ 4,666 $ 5,120 $ 5,326