Industry Segment and Geographic Area Information Schedule of Long-Lived Assets by Geographic Location (Details) - USD ($) $ in Thousands	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	$ 659,605	$ 490,311	$ 476,044
UNITED STATES
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	269,183	201,649	210,116
CHINA
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	71,216	61,261	64,815
UNITED KINGDOM
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	51,659	33,429	28,028
INDIA
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	19,691	14,636	14,820
FINLAND
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	29,052	16,211	14,764
SINGAPORE
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	23,063	14,942	9,240
BRAZIL
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	9,126	8,237	7,963
ITALY
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	14,152	11,324	10,334
GERMANY
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	119,612	99,181	88,249
CANADA
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	6,485	5,454	5,201
POLAND
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	7,216	3,212	2,269
Other International [Member]
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	39,150	20,775	20,245
Total international [Member]
Long-lived assets by Geographic Area [Line Items]
Total net long-lived assets	$ 390,422	$ 288,662	$ 265,928