Goodwill and Purchased and Other Intangibles (Tables)

9 Months Ended

Aug. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Purchased and other intangible assets

Purchased and other intangible assets subject to amortization as of August 30, 2019 and November 30, 2018 were as follows : 

(in thousands)	2019							2018
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Purchased technology	$	773,575	$	(206,104	)	$	567,471	$	750,286	$	(118,812	)	$	631,474
Customer contracts and relationships	$	1,246,260	$	(430,499	)	$	815,761	$	1,329,432	$	(416,176	)	$	913,256
Trademarks	384,855		(62,075		)	322,780		384,855		(25,968		)	358,887
Acquired rights to use technology	60,706		(48,310		)	12,396		58,966		(48,770		)	10,196
Backlog	147,000		(62,824		)	84,176		147,300		(13,299		)	134,001
Other intangibles	23,870		(10,829		)	13,041		51,096		(29,909		)	21,187
Total other intangible assets	$	1,862,691	$	(614,537	)	$	1,248,154	$	1,971,649	$	(534,122	)	$	1,437,527
Purchased and other intangible assets, net	$	2,636,266	$	(820,641	)	$	1,815,625	$	2,721,935	$	(652,934	)	$	2,069,001

Amortization expense in future periods

As of August 30, 2019, we expect amortization expense in future periods to be as follows:

(in thousands)
Fiscal Year	Purchased Technology		Other Intangible Assets
Remainder of 2019	$	31,532	$	65,793
2020	125,403		237,147
2021	103,288		149,809
2022	86,522		134,627
2023	78,085		134,272
Thereafter	142,641		526,506
Total expected amortization expense	$	567,471	$	1,248,154