4. Intangible Assets and Goodwill

The following table summarizes details of the Company’s intangible assets and related accumulated amortization (amounts in thousands):


	As of February 22, 2020						As of May 25, 2019
			Accumulated						Accumulated
	Gross		Amortization		Net		Gross		Amortization		Net
Customer contracts and relationships (3-8 years)	$	23,738	$	(5,780)	$	17,958	$	14,495	$	(3,439)	$	11,056
Tradenames (3-10 years)		4,916		(2,399)		2,517		4,407		(1,563)		2,844
Backlog (17 months)		1,210		(468)		742		-		-		-
Consultant list (3 years)		757		(642)		115		783		(462)		321
Non-compete agreements (3 years)		866		(733)		133		896		(528)		368
Computer software (2 years)		181		(23)		158		-		-		-
Total	$	31,668	$	(10,045)	$	21,623	$	20,581	$	(5,992)	$	14,589

The Company recorded amortization expense of $1.5 million and $0.9 million for the three months ended February 22, 2020 and February 23, 2019, respectively, and $4.2 million and $2.9 million for the nine months ended February 22, 2020 and February 23, 2019, respectively.

The following table summarizes future estimated amortization expense related to intangible assets (in thousands):



	Fiscal Years Ending
		2020		2021		2022		2023		2024
Expected amortization expense	$	5,741	$	4,589	$	3,331	$	3,133	$	3,097

The estimates of future intangible asset amortization expense do not incorporate the potential impact of future currency fluctuations when translating the financial results of the Company’s international operations that have amortizable intangible assets into U.S. dollars.

The following table summarizes the activity in the Company’s goodwill balance (in thousands):



	February 22,		February 23,
	2020		2019
Goodwill, beginning of year	$	190,815	$	191,950
Acquisitions- (see Note 3)		23,487		-
Impact of foreign currency exchange rate changes		(851)		(801)
Goodwill, end of period	$	213,451	$	191,149