Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	May. 05, 2015	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Income Tax Disclosure [Abstract]
Effective tax rate (as a percentage)		28.70%	26.40%	18.30%	26.20%
Decrease resulting from acquisition		$ 1,400		$ 10,400
Release of uncertain tax position		900		1,800
Business Acquisition [Line Items]
Gain on bargain purchase				9,933	$ 0
Decrease in unrecognized tax benefits		1,000
Unrecognized tax benefits		22,000		22,000
Decrease resulting from foreign currency translation		900
Unrecognized income tax benefits that would impact rate		(1,400)
Unrecognized tax benefits that would impact effective tax rate favorably, if recognized		18,700		18,700
Accrued interest on unrecognized tax benefits		1,000		1,000
Possible decrease of unrecognized tax benefits		$ 400		$ 400
Sunrise
Business Acquisition [Line Items]
Gain on bargain purchase	$ 9,933