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Segment Information - Geographical areas (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales $ 368,271 $ 417,166 $ 462,218 $ 433,702 $ 343,355 $ 370,427 $ 478,138 $ 441,801 $ 1,681,357 $ 1,633,721 $ 1,560,258
Total long-lived assets 231,575       228,388       231,575 228,388  
United States                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales                 884,791 826,111 789,879
Total long-lived assets 148,883       146,596       148,883 146,596  
EMEA                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales                 230,465 219,803 205,200
Total long-lived assets 11,906       9,472       11,906 9,472  
Japan                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales                 182,681 199,107 201,264
Total long-lived assets 663       764       663 764  
Korea                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales                 223,365 221,146 200,394
Total long-lived assets 7,441       5,682       7,441 5,682  
Rest of world                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total net sales                 160,055 167,554 $ 163,521
Total long-lived assets 62,682       65,874       62,682 65,874  
Thailand                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total long-lived assets $ 49,400       $ 52,200       $ 49,400 $ 52,200