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Other Current Liabilities - Accrued Warranty Liabilities Activity (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 25, 2015	Dec. 26, 2014
Activity In Accrued Warranty And Service Liabilities Abstract
Balance, beginning of year	$ 7,609	$ 7,771
Assumed in business acquisition	0	12
Charged to expense	5,008	6,069
Margin on parts sales reversed	1,406	1,920
Reductions for claims settled	(6,332)	(8,163)
Balance, end of period	$ 7,691	$ 7,609

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- References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

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-Publisher FASB



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Total liability for standard and extended product warranties acquired in a business acquisition.

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Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

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