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Operating Segments and Geographic Information - Schedule of Revenue from External Customers and Long-Lived Assets Based on Physical Location (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Oct. 01, 2017 | Jul. 02, 2017 | Apr. 02, 2017 | Dec. 31, 2016 | Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 604,884 | $ 621,745 | $ 610,633 | $ 551,381 | $ 612,435 | $ 601,109 | $ 601,631 | $ 541,497 | $ 2,388,643 | $ 2,356,672 | $ 2,309,222
Percent of total revenues |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Long-lived assets | 402,529 |  |  |  | 348,068 |  |  |  | $ 402,529 | $ 348,068 | $ 378,163
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,265,455 | $ 1,283,925 | $ 1,270,467
Percent of total revenues |  |  |  |  |  |  |  |  | 53.00% | 55.00% | 55.00%
Long-lived assets | 231,938 |  |  |  | 193,263 |  |  |  | $ 231,938 | $ 193,263 | $ 188,032
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 167,605 | $ 159,985 | $ 170,522
Percent of total revenues |  |  |  |  |  |  |  |  | 7.00% | 7.00% | 7.00%
Long-lived assets | 33,806 |  |  |  | 31,278 |  |  |  | $ 33,806 | $ 31,278 | $ 27,315
China [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 121,600 | $ 114,605 | $ 114,863
Percent of total revenues |  |  |  |  |  |  |  |  | 5.00% | 5.00% | 5.00%
Long-lived assets | 34,774 |  |  |  | 30,487 |  |  |  | $ 34,774 | $ 30,487 | $ 62,794
Germany [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 113,990 | $ 104,214 | $ 103,106
Percent of total revenues |  |  |  |  |  |  |  |  | 5.00% | 4.00% | 4.00%
Long-lived assets | 38,029 |  |  |  | 32,386 |  |  |  | $ 38,029 | $ 32,386 | $ 35,588
All Other [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 719,993 | $ 693,943 | $ 650,264
Percent of total revenues |  |  |  |  |  |  |  |  | 30.00% | 29.00% | 29.00%
Long-lived assets | $ 63,982 |  |  |  | $ 60,654 |  |  |  | $ 63,982 | $ 60,654 | $ 64,434

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