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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 26, 2015
Accounting Policies [Abstract]  
Estimated Useful Lives by Major Asset

Estimated useful lives by major asset category are as follows:

 

Buildings and building improvements    10 to 39 years
Machinery, equipment and tooling    3 to 10 years
Software and computer equipment    3 to 10 years
Furniture, fixtures and leasehold improvements    3 to 15 years