Certain Significant Estimates (Details Textual)	12 Months Ended
	Dec. 30, 2017
Noncompete Agreements [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member] | Customer Lists [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	14 years
Maximum [Member] | Patents [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years
Minimum [Member] | Customer Lists [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Minimum [Member] | Patents [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years