Annual report pursuant to Section 13 and 15(d)

DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

v3.20.2
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Property, Plant and Equipment The following table sets forth the estimated useful life for various asset categories:
Asset Category Range of Useful Lives
Buildings
30 to 50 years
Leasehold improvements
Shorter of 15 years or lease term
Machinery and equipment
2 to 10 years
Office furniture and fixtures 7 years
Schedules of Concentration of Risk
The following customers each accounted for more than 10% of total revenues primarily in Semiconductor Process Control segment for the indicated periods:
Year ended June 30,
2020 2019 2018
Taiwan Semiconductor Manufacturing Company Limited Taiwan Semiconductor Manufacturing Company Limited Samsung Electronics Co., Ltd.
Samsung Electronics Co., Ltd.
The following customers each accounted for more than 10% of net accounts receivable as of the dates indicated below:
As of June 30,
2020 2019
Taiwan Semiconductor Manufacturing Company Limited Taiwan Semiconductor Manufacturing Company Limited
Samsung Electronics Co., Ltd.