Significant Accounting Policies (Tables)

12 Months Ended

Dec. 28, 2019

Accounting Policies [Abstract]

Schedule of Estimated Useful Life of Asset

The estimated useful life for each asset category is as follows: 

	Estimated Useful Lives
Building	20 to 41 years
Laboratory and manufacturing equipment	1.5 to 10 years
Furniture and fixtures	3 to 10 years
Computer hardware and software	1.5 to 7 years
Leasehold and building improvements	1 to 11 years