Significant Accounting Policies (Tables)

12 Months Ended

Dec. 27, 2014

Text Block [Abstract]

Estimated Useful Life of Asset

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

	Estimated Useful Lives
Laboratory and manufacturing equipment	1.5 to 10 years
Furniture and fixtures	3 to 5 years
Computer hardware and software	1.5 to 7 years
Leasehold improvements	1 to 10 years