XML 49 R26.htm IDEA: XBRL DOCUMENT v3.19.3
UNEARNED REVENUE (Tables)
9 Months Ended
Sep. 30, 2019
Changes in unearned revenue

Changes in unearned revenue were as follows:

 

For the period ended  September 30,   December 31   September 30, 
(in thousands)  2019   2018   2018 
Balance at beginning of year  $127,075   $117,614   $117,614 
Deferral of unearned revenue   141,867    166,053    134,527 
Recognition of unearned revenue   (122,465)   (156,592)   (117,297)
Balance at end of period  $146,477   $127,075   $134,844