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Acquisitions (Tables)

9 Months Ended

Aug. 31, 2018

Business Combinations [Abstract]

Schedule of acquired assets and liabilities [Table Text Block]



(in thousands)	Amount				Weighted Average Useful Life (years)
Customer contracts and relationships	$	208,000			8
Purchased technology	84,200				5
In-process research and development ⁽¹⁾	39,100				N/A
Trademarks	21,100				3
Other intangibles	43,400				3
Total identifiable intangible assets	395,800
Net liabilities assumed	(67,417		)		N/A
Goodwill⁽²⁾	1,316,217				N/A
Total estimated purchase price	$	1,644,600

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⁽¹⁾	Capitalized as purchased technology and are considered indefinite lived until the completion or abandonment of the associated research and development efforts.


⁽²⁾	Non-deductible for tax-purposes.