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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015
Income Tax Contingency [Line Items]
Effective tax rate (percent)	(43.70%)	16.50%	1.20%	17.20%
Release of valuation allowance			$ 1.6
Minimum
Income Tax Contingency [Line Items]
Anticipated change in unrecognized tax benefits, lower bound	$ 0.2		0.2
Maximum
Income Tax Contingency [Line Items]
Anticipated change in unrecognized tax benefits, lower bound	$ 1.2		$ 1.2