Income Taxes - Unrecognized Tax Benefits and Open Tax Years (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)	$ (0.5)	$ (0.6)
United States [Member]
Income Tax Contingency [Line Items]
Tax years open for examination, by major tax jurisdiction	2011
The Netherlands [Member]
Income Tax Contingency [Line Items]
Tax years open for examination, by major tax jurisdiction	2011
Czech Republic [Member]
Income Tax Contingency [Line Items]
Tax years open for examination, by major tax jurisdiction	2012