Income Taxes - Provision (Benefit) for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Current:
Federal	$ 358us-gaap_CurrentFederalTaxExpenseBenefit	$ 119us-gaap_CurrentFederalTaxExpenseBenefit	$ (2,403)us-gaap_CurrentFederalTaxExpenseBenefit
State	(151)	5	(492)
Foreign	1,327us-gaap_CurrentForeignTaxExpenseBenefit	933us-gaap_CurrentForeignTaxExpenseBenefit	270us-gaap_CurrentForeignTaxExpenseBenefit
Total current	1,534us-gaap_CurrentIncomeTaxExpenseBenefit	1,057us-gaap_CurrentIncomeTaxExpenseBenefit	(2,625)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	17,368	(10,686)	1,753
State	550	(325)	379
Foreign	45	535	647
Total deferred	17,963us-gaap_DeferredIncomeTaxExpenseBenefit	(10,476)us-gaap_DeferredIncomeTaxExpenseBenefit	2,779us-gaap_DeferredIncomeTaxExpenseBenefit
Provision (benefit) for income taxes	$ 19,497us-gaap_IncomeTaxExpenseBenefit	$ (9,419)us-gaap_IncomeTaxExpenseBenefit	$ 154us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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