Restructuring and Other Related Costs - Narrative (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring liability	$ 29,403	$ 24,351
Severance and related expenses
Restructuring Cost and Reserve [Line Items]
Restructuring liability	28,565	$ 19,842
Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring liability	800
Other Restructuring | Coriant
Restructuring Cost and Reserve [Line Items]
Restructuring liability	7,400
2018 Restructuring Plan | Severance and related expenses
Restructuring Cost and Reserve [Line Items]
Restructuring liability	$ 21,200