Property, Plant and Equipment Disclosure
Asset Age Ratios (Summary)
Average Age
Estimated Total Useful Life
Estimated Age, Time Elapsed Since Purchase
Estimated Remaining Life

Synopsys Inc., balance sheet: property, plant and equipment

US$ in thousands

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Computer and other equipment	1,011,712)	991,994)	870,388)	812,161)	788,105)	678,901)
Buildings	103,779)	135,255)	135,722)	134,931)	129,746)	68,708)
Furniture and fixtures	87,524)	86,946)	80,885)	73,624)	72,702)	72,437)
Land	18,219)	21,598)	21,598)	19,965)	19,965)	18,849)
Leasehold improvements	271,753)	265,536)	241,062)	236,064)	242,830)	273,985)
Property and equipment, gross	1,492,987)	1,501,329)	1,349,655)	1,276,745)	1,253,348)	1,112,880)
Accumulated depreciation	(929,981)	(944,068)	(866,355)	(804,347)	(769,530)	(683,348)
Property and equipment, net	563,006)	557,261)	483,300)	472,398)	483,818)	429,532)

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

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Item	Description	The company
Property and equipment, gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Synopsys Inc. property and equipment, gross increased from 2022 to 2023 but then slightly decreased from 2023 to 2024.
Property and equipment, net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Synopsys Inc. property and equipment, net increased from 2022 to 2023 and from 2023 to 2024.

Synopsys Inc., asset age ratios

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Average age ratio	63.06%	63.80%	65.23%	64.00%	62.39%	62.46%
Estimated total useful life (years)	9	10	12	11	10	11
Estimated age, time elapsed since purchase (years)	6	7	8	7	6	7
Estimated remaining life (years)	3	4	4	4	4	4

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

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Asset age ratio	Description	The company
Average age ratio	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company fixed asset base is old or new. Newer assets are likely to be more efficient.	Synopsys Inc. average age ratio of depreciable property, plant and equipment improved from 2022 to 2023 and from 2023 to 2024.
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company depreciation policy and can be used for comparisons with competitors.	Synopsys Inc. estimated total useful life of depreciable property, plant and equipment decreased from 2022 to 2023 and from 2023 to 2024.
Estimated time elapsed since purchase	The approximate age in years of a company fixed assets. Useful for comparison purposes.	Synopsys Inc. estimated time elapsed since purchase of depreciable property, plant and equipment improved from 2022 to 2023 and from 2023 to 2024.
Estimated remaining life		Synopsys Inc. estimated remaining life of depreciable property, plant and equipment decreased from 2022 to 2023 and from 2023 to 2024.

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Selected Financial Data (US$ in thousands)
Accumulated depreciation	929,981)	944,068)	866,355)	804,347)	769,530)	683,348)
Property and equipment, gross	1,492,987)	1,501,329)	1,349,655)	1,276,745)	1,253,348)	1,112,880)
Land	18,219)	21,598)	21,598)	19,965)	19,965)	18,849)
Asset Age Ratio
Average age¹	63.06%	63.80%	65.23%	64.00%	62.39%	62.46%

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

2024 Calculations

¹ Average age = 100 × Accumulated depreciation ÷ (Property and equipment, gross – Land)
= 100 × 929,981 ÷ (1,492,987 – 18,219) = 63.06%

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Asset age ratio	Description	The company
Average age	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company fixed asset base is old or new. Newer assets are likely to be more efficient.	Synopsys Inc. average age ratio of depreciable property, plant and equipment improved from 2022 to 2023 and from 2023 to 2024.

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Selected Financial Data (US$ in thousands)
Property and equipment, gross	1,492,987)	1,501,329)	1,349,655)	1,276,745)	1,253,348)	1,112,880)
Land	18,219)	21,598)	21,598)	19,965)	19,965)	18,849)
Depreciation expenses	162,900)	145,100)	107,700)	119,100)	119,100)	100,400)
Asset Age Ratio (Years)
Estimated total useful life¹	9	10	12	11	10	11

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

2024 Calculations

¹ Estimated total useful life = (Property and equipment, gross – Land) ÷ Depreciation expenses
= (1,492,987 – 18,219) ÷ 162,900 = 9

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Asset age ratio	Description	The company
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company depreciation policy and can be used for comparisons with competitors.	Synopsys Inc. estimated total useful life of depreciable property, plant and equipment decreased from 2022 to 2023 and from 2023 to 2024.

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Selected Financial Data (US$ in thousands)
Accumulated depreciation	929,981)	944,068)	866,355)	804,347)	769,530)	683,348)
Depreciation expenses	162,900)	145,100)	107,700)	119,100)	119,100)	100,400)
Asset Age Ratio (Years)
Time elapsed since purchase¹	6	7	8	7	6	7

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

2024 Calculations

¹ Time elapsed since purchase = Accumulated depreciation ÷ Depreciation expenses
= 929,981 ÷ 162,900 = 6

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Asset age ratio	Description	The company
Estimated time elapsed since purchase	The approximate age in years of a company fixed assets. Useful for comparison purposes.	Synopsys Inc. estimated time elapsed since purchase of depreciable property, plant and equipment improved from 2022 to 2023 and from 2023 to 2024.

	Oct 31, 2024	Oct 31, 2023	Oct 31, 2022	Oct 31, 2021	Oct 31, 2020	Oct 31, 2019
Selected Financial Data (US$ in thousands)
Property and equipment, net	563,006)	557,261)	483,300)	472,398)	483,818)	429,532)
Land	18,219)	21,598)	21,598)	19,965)	19,965)	18,849)
Depreciation expenses	162,900)	145,100)	107,700)	119,100)	119,100)	100,400)
Asset Age Ratio (Years)
Estimated remaining life¹	3	4	4	4	4	4

Based on: 10-K (reporting date: 2024-10-31), 10-K (reporting date: 2023-10-31), 10-K (reporting date: 2022-10-31), 10-K (reporting date: 2021-10-31), 10-K (reporting date: 2020-10-31), 10-K (reporting date: 2019-10-31).

2024 Calculations

¹ Estimated remaining life = (Property and equipment, net – Land) ÷ Depreciation expenses
= (563,006 – 18,219) ÷ 162,900 = 3

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Asset age ratio	Description	The company
Estimated remaining life		Synopsys Inc. estimated remaining life of depreciable property, plant and equipment decreased from 2022 to 2023 and from 2023 to 2024.

Synopsys Inc. (NASDAQ:SNPS)

Analysis of Property, Plant and Equipment

Property, Plant and Equipment Disclosure

Asset Age Ratios (Summary)

Average Age

Estimated Total Useful Life

Estimated Age, Time Elapsed since Purchase

Estimated Remaining Life