Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 28, 2013

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

Activity of Product Warranty Liability Included in Other Accrued Liabilities

The following table summarizes the activity of our product warranty liability included in other accrued liabilities in the accompanying Consolidated Balance Sheets:


(in thousands)	2013			2012			2011
Balance at beginning of year	$	286		$	70		$	25
Provisions for warranty costs		1,249			1,064			586
Claims paid		(1,445	)		(848	)		(541	)

Balance at end of year	$	90		$	286		$	70