Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 04, 2015	Jul. 04, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Increase in liabilities for unrecognized tax benefits		$ 378
Effect on Income Tax Expense (Benefit) [Line Items]
Borrowings to fund acquisition			$ 53,000
Additional expected repatriation	$ 11,000
Cash repatriated during the current period	$ 45,000