Annual report pursuant to Section 13 and 15(d)

UNEARNED REVENUE (Tables)

v3.10.0.1
UNEARNED REVENUE (Tables)
12 Months Ended
Dec. 31, 2018
Revenue from Contract with Customer [Abstract]  
Changes in unearned revenue

Changes in unearned revenue were as follows:

 

 

December 31,   2018   2017
(in thousands)                
Balance at beginning of year   $ 117,614     $ 106,323  
Deferral of unearned revenue     166,053       151,139  
Recognition of unearned revenue     (156,592 )     (139,848 )
Balance at December 31,   $ 127,075     $ 117,614