Acquisition (Intangible Assets Acquired) (Details) £ in Thousands, $ in Thousands			12 Months Ended
	May 01, 2017 USD ($)	Apr. 06, 2017 GBP (£)	Dec. 29, 2017
Jibe Consulting, Inc [Member]
Business Acquisition [Line Items]
Amount | $	$ 931
Jibe Consulting, Inc [Member] | Customer Base [Member]
Business Acquisition [Line Items]
Amount | $	140
Useful Life (in years)			5 years
Jibe Consulting, Inc [Member] | Customer Backlog [Member]
Business Acquisition [Line Items]
Amount | $	325
Useful Life (in years)			2 years
Jibe Consulting, Inc [Member] | Non-Compete [Member]
Business Acquisition [Line Items]
Amount | $	$ 466
Useful Life (in years)			5 years
Aecus Limited [Member]
Business Acquisition [Line Items]
Amount | £		£ 1,515
Aecus Limited [Member] | Customer Base [Member]
Business Acquisition [Line Items]
Amount | £		455
Useful Life (in years)			5 years
Aecus Limited [Member] | Customer Backlog [Member]
Business Acquisition [Line Items]
Amount | £		52
Useful Life (in years)			2 years
Aecus Limited [Member] | Non-Compete [Member]
Business Acquisition [Line Items]
Amount | £		£ 1,008
Useful Life (in years)			5 years