Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 818,197	$ 701,580
Accumulated depreciation	(449,893)	(383,357)
Total property, plant and equipment, net	368,304	318,223
Depreciation expense	54,000	49,700	$ 44,700
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,937	5,272
Building and leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	291,526	250,639
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 522,734	$ 445,669

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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