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Summary of Significant Accounting Policies and Other Information - Schedule of Other Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]                      
Warranty $ 12,628       $ 10,200       $ 4,429 $ 2,428 $ 1,274
Litigation reserves 12,137       10,287       3 0  
Deferred revenue 2,822       1,818       3,564 4,602  
Accrued compensation and benefits 2,593       3,975       3,825 5,476  
Professional services 1,974       1,509       544 500  
Income taxes payable 375       131       107 2,973  
Other 5,833       4,587       5,374 2,203  
Balance at end of year $ 38,362 $ 41,393 $ 35,379 $ 35,234 $ 32,507 $ 22,405 $ 19,182 $ 17,929 $ 17,846 $ 18,182