Income Taxes - Narrative (Details) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Income Tax Disclosure [Abstract]
Federal statutory income tax rate	35.00%	35.00%	35.00%
Net increase in valuation allowance	$ 30,900,000
Operating Loss Carryforwards [Line Items]
Federal annual utilization of NOL carryforwards limit, next five years	27,000,000
Threshold period for change in allowed annual amount of NOL to be recognized	5 years
Federal annual utilization of NOL carryforwards limit, after year five	11,600,000
Unrecognized deferred income taxes or foreign withholding taxes	18,100,000
Unrecognized deferred income taxes or foreign withholding taxes, cash and cash equivalents available for distribution	10,900,000
Unrecognized tax benefits that if recognized would affect effective tax rate	16,400,000
Amount that would become a deferred tax asset included in unrecognized tax benefits that would impact the effective tax rate	14,500,000
Income tax penalties and interest expense	200,000	200,000	400,000
Benefit for income tax penalties and interest related to reversal of prior positions	100,000	200,000	100,000
Total interest and penalties accrued	800,000	700,000	700,000
Unrecognized tax benefits that will expire within the next 12 months	0
Share-based compensation cost
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	14,400,000
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	391,500,000
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 285,000,000