Acquisitions (Details 3) - USD ($) $ in Thousands			12 Months Ended
		Jun. 18, 2018	Nov. 29, 2019	Nov. 30, 2018
Schedule of acquired assets and liabilities
Goodwill, acquired during period			$ 126,169	$ 4,791,216
Magento
Schedule of acquired assets and liabilities
Finite-Lived Customer Relationships, Gross		$ 208,000
Finite-Lived Purchased Technology, Gross		84,200
Finite -lived in-process research and development	[1]	39,100
Finite-Lived Trademarks, Gross		21,100
Other Finite-Lived Intangible Assets, Gross		43,400
Total identifiable intangible assets acquired		395,800
Net assets acquired or liabilities assumed		(68,182)
Goodwill, acquired during period	[2]	1,316,983
Business Combination Purchase Price		$ 1,644,601
Customer contracts and relationships
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life			10 years
Customer contracts and relationships | Magento
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life		8 years
Purchased Technology
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life			6 years
Purchased Technology | Magento
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life		5 years
Trademarks
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life			9 years
Trademarks | Magento
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life		3 years
Other intangibles
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life			4 years
Other intangibles | Magento
Schedule of acquired assets and liabilities
Acquired finite-lived intangible assets, weighted average useful life		3 years

[1] Capitalized as purchased technology and are considered indefinite lived until the completion or abandonment of the associated research and development efforts. Subsequent to the acquisition, the associated in-process research and development efforts for certain projects were completed and the rest were abandoned. The respective related amortization and write-off were each immaterial.

[2] Non-deductible for tax purposes