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Segment Information - Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 25, 2015	Sep. 26, 2014	Dec. 26, 2014
Geographic Information [Line Items]
Net Sales	$ 318,986	$ 302,614	$ 960,928	$ 915,125
Long-lived assets	172,225		172,225		$ 161,230
United States
Geographic Information [Line Items]
Net Sales	166,602	150,015	496,851	440,097
Long-lived assets	142,478		142,478		131,131
Other countries
Geographic Information [Line Items]
Net Sales	152,384	$ 152,599	464,077	$ 475,028
Long-lived assets	$ 29,747		$ 29,747		$ 30,099

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 280



-SubTopic 10



-Section 50



-Paragraph 41



-Subparagraph (b)



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+ References

No definition available.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.1)



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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