Revenue - Revenue by Geography (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total net sales	$ 622,888	$ 1,869,572
Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(583)	(983)
U.S. | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	309,779	921,875
Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	150,481	472,800
Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	105,257	313,640
Rest of world | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	57,954	162,240
FMT
Disaggregation of Revenue [Line Items]
Total net sales	239,119	714,135
FMT | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	239,119	714,135
FMT | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(94)	(211)
FMT | U.S. | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	131,403	403,903
FMT | Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	46,895	130,591
FMT | Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	28,358	89,655
FMT | Rest of world | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	32,557	90,197
HST
Disaggregation of Revenue [Line Items]
Total net sales	222,351	670,685
HST | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	222,351	670,685
HST | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(75)	(219)
HST | U.S. | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	99,474	290,826
HST | Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	66,762	214,564
HST | Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	46,634	139,422
HST | Rest of world | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	9,556	26,092
FSDP
Disaggregation of Revenue [Line Items]
Total net sales	161,418	484,752
FSDP | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	161,418	484,752
FSDP | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(414)	(553)
FSDP | U.S. | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	78,902	227,146
FSDP | Europe | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	36,824	127,645
FSDP | Asia | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	30,265	84,563
FSDP | Rest of world | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	$ 15,841	$ 45,951