Business Acquisitions (Details) - USD ($) $ in Thousands	May 02, 2018	Dec. 02, 2017
Customer Relationships [Member]
Useful life (years)	7 years	5 years
License Software [Member]
Useful life (years)		3 years
Goodwill [Member]
Useful life (years)	0 years	0 years
Synergy [Member]
Total Purchase price		$ 425,000
Synergy [Member] | Customer Relationships [Member]
Total Purchase price		$ 40,000
Useful life (years)		5 years
Synergy [Member] | License Software [Member]
Total Purchase price		$ 105,000
Useful life (years)		3 years
Synergy [Member] | Goodwill [Member]
Total Purchase price		$ 280,000