XML 20 R37.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 8- Product Warranty Obligations (Details) - Reconciliation of Product Warranty Liability - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Reconciliation of Product Warranty Liability [Abstract]        
Balance at beginning of period $ 29,277 $ 31,907 $ 30,909 $ 33,734
Payments (5,100) (4,076) (10,533) (11,024)
Provision for warranties issued 4,480 5,764 9,029 12,028
Changes in estimates for pre-existing warranties (472) (1,424) (1,220) (2,567)
Balance at end of period 28,185 32,171 28,185 32,171
Balance at beginning of period 27,531 24,632 27,193 23,092
Deferred revenue on extended warranty contracts sold 810 1,795 2,190 4,014
Amortization of deferred revenue on extended warranty contracts (1,100) (748) (2,142) (1,427)
Balance at end of period $ 27,241 $ 25,679 $ 27,241 $ 25,679