Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Carrying amount of intangible assets [Abstract]
Net Carrying Amount	$ 42,008
Amortization	3,100	$ 4,300	$ 4,100
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2018	3,338
2019	3,253
2020	3,017
2021	2,747
2022	2,851
Thereafter	26,802
Net Carrying Amount	42,008
Customer relationships [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	36,518	29,833
Accumulated Amortization	(4,644)	(2,845)
Net Carrying Amount	31,874	26,988
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	31,874	26,988
Non-compete agreements [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	2,834	5,926
Accumulated Amortization	(1,497)	(4,063)
Net Carrying Amount	1,337	1,863
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	1,337	1,863
Patents and technology [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	7,673	5,922
Accumulated Amortization	(1,868)	(1,179)
Net Carrying Amount	5,805	4,743
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	5,805	4,743
Trade names and licenses [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	4,977	4,087
Accumulated Amortization	(1,575)	(1,032)
Net Carrying Amount	3,402	3,055
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	3,402	3,055
Other [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	213	213
Accumulated Amortization	(623)	(694)
Net Carrying Amount	(410)	(481)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	(410)	(481)
Other intangible assets [Member]
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	52,215	45,981
Accumulated Amortization	(10,207)	(9,813)
Net Carrying Amount	42,008	36,168
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Amount	$ 42,008	$ 36,168