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Segment and Geographic Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jul. 01, 2018
Apr. 01, 2018
Dec. 31, 2017
Oct. 01, 2017
Jul. 02, 2017
Apr. 02, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue $ 169,769 $ 183,325 $ 199,047 $ 173,484 $ 193,286 $ 232,221 $ 211,264 $ 169,567 $ 725,625 $ 806,338 $ 766,083
Long-lived assets 95,321       80,539       95,276 95,321 80,539
United States [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 247,689 231,760 180,248
Long-lived assets 67,156       53,983       68,496 67,156 53,983
Europe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 227,738 311,914 328,826
Long-lived assets 23,948       22,437       21,691 23,948 22,437
Greater China [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 115,061 123,708 108,738
Long-lived assets 1,482       1,594       1,487 1,482 1,594
Other [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 135,137 138,956 148,271
Long-lived assets $ 2,735       $ 2,525       $ 3,602 $ 2,735 $ 2,525